[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:07.29,0:00:10.12,Default,,0000,0000,0000,,We like to think of romantic feelings as spontaneous
Dialogue: 0,0:00:10.12,0:00:13.28,Default,,0000,0000,0000,,and indescribable things that come from the heart.
Dialogue: 0,0:00:13.28,0:00:15.57,Default,,0000,0000,0000,,But it's actually your brain running a complex
Dialogue: 0,0:00:15.57,0:00:18.77,Default,,0000,0000,0000,,series of calculations within a matter of seconds
Dialogue: 0,0:00:18.77,0:00:21.76,Default,,0000,0000,0000,,that's responsible for determining attraction.
Dialogue: 0,0:00:21.76,0:00:23.88,Default,,0000,0000,0000,,Doesn't sound quite as poetic, does it?
Dialogue: 0,0:00:23.88,0:00:26.39,Default,,0000,0000,0000,,But just because the calculations are happening in your brain
Dialogue: 0,0:00:26.39,0:00:30.16,Default,,0000,0000,0000,,doesn't mean those warm, fuzzy feelings are all in your head.
Dialogue: 0,0:00:30.16,0:00:32.68,Default,,0000,0000,0000,,In fact, all five of your senses play a role,
Dialogue: 0,0:00:32.68,0:00:36.80,Default,,0000,0000,0000,,each able to vote for, or veto, a budding attraction.
Dialogue: 0,0:00:36.80,0:00:39.55,Default,,0000,0000,0000,,The eyes are the first components in attraction.
Dialogue: 0,0:00:39.55,0:00:41.24,Default,,0000,0000,0000,,Many visual beauty standards vary
Dialogue: 0,0:00:41.24,0:00:43.12,Default,,0000,0000,0000,,between cultures and eras,
Dialogue: 0,0:00:43.12,0:00:45.66,Default,,0000,0000,0000,,and signs of youth, fertility and good health,
Dialogue: 0,0:00:45.66,0:00:47.48,Default,,0000,0000,0000,,such as long lustrous hair,
Dialogue: 0,0:00:47.48,0:00:49.85,Default,,0000,0000,0000,,or smooth, scar-free skin,
Dialogue: 0,0:00:49.85,0:00:51.31,Default,,0000,0000,0000,,are almost always in demand
Dialogue: 0,0:00:51.31,0:00:54.38,Default,,0000,0000,0000,,because they're associated with reproductive fitness.
Dialogue: 0,0:00:54.38,0:00:56.33,Default,,0000,0000,0000,,And when the eyes spot something they like,
Dialogue: 0,0:00:56.33,0:00:58.60,Default,,0000,0000,0000,,our instinct is to move closer
Dialogue: 0,0:00:58.60,0:01:00.94,Default,,0000,0000,0000,,so the other senses can investigate.
Dialogue: 0,0:01:00.94,0:01:02.82,Default,,0000,0000,0000,,The nose's contribution to romance
Dialogue: 0,0:01:02.82,0:01:05.61,Default,,0000,0000,0000,,is more than noticing perfume or cologne.
Dialogue: 0,0:01:05.61,0:01:08.24,Default,,0000,0000,0000,,It's able to pick up on natural chemical signals
Dialogue: 0,0:01:08.24,0:01:09.80,Default,,0000,0000,0000,,known as pheromones.
Dialogue: 0,0:01:09.80,0:01:11.66,Default,,0000,0000,0000,,These not only convey important
Dialogue: 0,0:01:11.66,0:01:14.55,Default,,0000,0000,0000,,physical or genetic information about their source
Dialogue: 0,0:01:14.55,0:01:16.76,Default,,0000,0000,0000,,but are able to activate a physiological
Dialogue: 0,0:01:16.76,0:01:20.05,Default,,0000,0000,0000,,or behavioral response in the recipient.
Dialogue: 0,0:01:20.05,0:01:24.20,Default,,0000,0000,0000,,In one study, a group of women at different points in their ovulation cycles
Dialogue: 0,0:01:24.20,0:01:26.52,Default,,0000,0000,0000,,wore the same t-shirts for three nights.
Dialogue: 0,0:01:26.52,0:01:29.00,Default,,0000,0000,0000,,After male volunteers were randomly assigned
Dialogue: 0,0:01:29.00,0:01:31.27,Default,,0000,0000,0000,,to smell either one of the worn shirts,
Dialogue: 0,0:01:31.27,0:01:32.100,Default,,0000,0000,0000,,or a new unworn one,
Dialogue: 0,0:01:32.100,0:01:36.76,Default,,0000,0000,0000,,saliva samples showed an increase in testosterone
Dialogue: 0,0:01:36.76,0:01:40.53,Default,,0000,0000,0000,,in those who had smelled a shirt worn by an ovulating woman.
Dialogue: 0,0:01:40.53,0:01:42.20,Default,,0000,0000,0000,,Such a testosterone boost
Dialogue: 0,0:01:42.20,0:01:44.77,Default,,0000,0000,0000,,may give a man the nudge to persue a woman
Dialogue: 0,0:01:44.77,0:01:47.03,Default,,0000,0000,0000,,he might not have otherwise noticed.
Dialogue: 0,0:01:47.03,0:01:49.18,Default,,0000,0000,0000,,A woman's nose is particularly attuned
Dialogue: 0,0:01:49.18,0:01:51.30,Default,,0000,0000,0000,,to MHC molecules,
Dialogue: 0,0:01:51.30,0:01:53.36,Default,,0000,0000,0000,,which are used to fight disease.
Dialogue: 0,0:01:53.36,0:01:55.62,Default,,0000,0000,0000,,In this case, opposites attract.
Dialogue: 0,0:01:55.62,0:01:58.15,Default,,0000,0000,0000,,When a study asked women to smell t-shirts
Dialogue: 0,0:01:58.15,0:02:00.06,Default,,0000,0000,0000,,that had been worn by different men,
Dialogue: 0,0:02:00.06,0:02:02.19,Default,,0000,0000,0000,,they preferred the odors of those whose
Dialogue: 0,0:02:02.19,0:02:05.18,Default,,0000,0000,0000,,MHC molecules differed from theirs.
Dialogue: 0,0:02:05.18,0:02:06.40,Default,,0000,0000,0000,,This makes sense.
Dialogue: 0,0:02:06.40,0:02:09.11,Default,,0000,0000,0000,,Genes that result in a greater variety of immunities
Dialogue: 0,0:02:09.11,0:02:12.51,Default,,0000,0000,0000,,may give offspring a major survival advantage.
Dialogue: 0,0:02:12.51,0:02:15.24,Default,,0000,0000,0000,,Our ears also determine attraction.
Dialogue: 0,0:02:15.24,0:02:18.66,Default,,0000,0000,0000,,Men prefer females with high-pitched, breathy voices,
Dialogue: 0,0:02:18.66,0:02:20.83,Default,,0000,0000,0000,,and wide formant spacing,
Dialogue: 0,0:02:20.83,0:02:22.86,Default,,0000,0000,0000,,correlated with smaller body size.
Dialogue: 0,0:02:22.86,0:02:25.40,Default,,0000,0000,0000,,While women prefer low-pitched voices
Dialogue: 0,0:02:25.40,0:02:27.32,Default,,0000,0000,0000,,with a narrow formant spacing
Dialogue: 0,0:02:27.32,0:02:29.56,Default,,0000,0000,0000,,that suggest a larger body size.
Dialogue: 0,0:02:29.56,0:02:31.01,Default,,0000,0000,0000,,And not surprisingly,
Dialogue: 0,0:02:31.01,0:02:33.53,Default,,0000,0000,0000,,touch turns out to be crucial for romance.
Dialogue: 0,0:02:33.53,0:02:34.92,Default,,0000,0000,0000,,In this experiment,
Dialogue: 0,0:02:34.92,0:02:37.22,Default,,0000,0000,0000,,not realizing the study had begun,
Dialogue: 0,0:02:37.22,0:02:40.100,Default,,0000,0000,0000,,participants were asked to briefly hold the coffee,
Dialogue: 0,0:02:40.100,0:02:42.75,Default,,0000,0000,0000,,either hot or iced.
Dialogue: 0,0:02:42.75,0:02:44.50,Default,,0000,0000,0000,,Later, the participants read a story
Dialogue: 0,0:02:44.50,0:02:46.27,Default,,0000,0000,0000,,about a hypothetical person,
Dialogue: 0,0:02:46.27,0:02:48.41,Default,,0000,0000,0000,,and were asked to rate their personality.
Dialogue: 0,0:02:48.41,0:02:50.84,Default,,0000,0000,0000,,Those who had held the hot cup of coffee
Dialogue: 0,0:02:50.84,0:02:53.74,Default,,0000,0000,0000,,perceived the person in the story as happier,
Dialogue: 0,0:02:53.74,0:02:57.56,Default,,0000,0000,0000,,more social, more generous and better-natured
Dialogue: 0,0:02:57.56,0:03:00.27,Default,,0000,0000,0000,,than those who had held the cup of iced coffee,
Dialogue: 0,0:03:00.27,0:03:04.79,Default,,0000,0000,0000,,who rated the person as cold, stoic, and unaffectionate.
Dialogue: 0,0:03:04.79,0:03:06.58,Default,,0000,0000,0000,,If a potential mate has managed to pass
Dialogue: 0,0:03:06.58,0:03:09.38,Default,,0000,0000,0000,,all these tests, there's still one more:
Dialogue: 0,0:03:09.38,0:03:11.98,Default,,0000,0000,0000,,the infamous first kiss,
Dialogue: 0,0:03:11.98,0:03:13.98,Default,,0000,0000,0000,,a rich and complex exchange
Dialogue: 0,0:03:13.98,0:03:16.51,Default,,0000,0000,0000,,of tactile and chemical cues,
Dialogue: 0,0:03:16.51,0:03:18.21,Default,,0000,0000,0000,,such as the smell of one's breath,
Dialogue: 0,0:03:18.21,0:03:20.23,Default,,0000,0000,0000,,and the taste of their mouth.
Dialogue: 0,0:03:20.23,0:03:22.08,Default,,0000,0000,0000,,This magical moment is so critical
Dialogue: 0,0:03:22.08,0:03:24.05,Default,,0000,0000,0000,,that a majority of men and women
Dialogue: 0,0:03:24.05,0:03:26.38,Default,,0000,0000,0000,,have reported losing their attraction to someone
Dialogue: 0,0:03:26.38,0:03:28.93,Default,,0000,0000,0000,,after a bad first kiss.
Dialogue: 0,0:03:28.93,0:03:30.32,Default,,0000,0000,0000,,Once attraction is confirmed,
Dialogue: 0,0:03:30.32,0:03:31.70,Default,,0000,0000,0000,,your bloodstream is flooded
Dialogue: 0,0:03:31.70,0:03:33.23,Default,,0000,0000,0000,,with norepinephrine,
Dialogue: 0,0:03:33.23,0:03:35.54,Default,,0000,0000,0000,,activating your fight or flight system.
Dialogue: 0,0:03:35.54,0:03:37.16,Default,,0000,0000,0000,,Your heart beats faster,
Dialogue: 0,0:03:37.16,0:03:38.53,Default,,0000,0000,0000,,your pupils dilate,
Dialogue: 0,0:03:38.53,0:03:41.65,Default,,0000,0000,0000,,and your body releases glucose for additional energy,
Dialogue: 0,0:03:41.65,0:03:43.08,Default,,0000,0000,0000,,not because you're in danger
Dialogue: 0,0:03:43.08,0:03:44.61,Default,,0000,0000,0000,,but because your body is telling you
Dialogue: 0,0:03:44.61,0:03:46.31,Default,,0000,0000,0000,,that something important is happening.
Dialogue: 0,0:03:46.32,0:03:47.83,Default,,0000,0000,0000,,To help you focus,
Dialogue: 0,0:03:47.83,0:03:50.33,Default,,0000,0000,0000,,norepinephrine creates a sort of tunnel vision,
Dialogue: 0,0:03:50.33,0:03:52.62,Default,,0000,0000,0000,,blocking out surrounding distractions,
Dialogue: 0,0:03:52.62,0:03:55.05,Default,,0000,0000,0000,,possibly even warping your sense of time,
Dialogue: 0,0:03:55.05,0:03:57.34,Default,,0000,0000,0000,,and enhancing your memory.
Dialogue: 0,0:03:57.34,0:04:01.14,Default,,0000,0000,0000,,This might explain why people never forget their first kiss.
Dialogue: 0,0:04:01.14,0:04:03.06,Default,,0000,0000,0000,,The idea of so much of our attraction
Dialogue: 0,0:04:03.06,0:04:06.32,Default,,0000,0000,0000,,being influenced by chemicals and evolutionary biology
Dialogue: 0,0:04:06.32,0:04:09.29,Default,,0000,0000,0000,,may seem cold and scientific rather than romantic,
Dialogue: 0,0:04:09.29,0:04:11.32,Default,,0000,0000,0000,,but the next time you see someone you like,
Dialogue: 0,0:04:11.32,0:04:15.34,Default,,0000,0000,0000,,try to appreciate how your entire body is playing matchmaker
Dialogue: 0,0:04:15.34,0:04:18.70,Default,,0000,0000,0000,,to decide if that beautiful stranger is right for you.