[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:07.05,0:00:08.89,Default,,0000,0000,0000,,We like to think of romantic feelings
Dialogue: 0,0:00:08.92,0:00:13.03,Default,,0000,0000,0000,,as spontaneous and indescribable\Nthings that come from the heart.
Dialogue: 0,0:00:13.06,0:00:14.62,Default,,0000,0000,0000,,But it's actually your brain
Dialogue: 0,0:00:14.65,0:00:18.74,Default,,0000,0000,0000,,running a complex series of calculations\Nwithin a matter of seconds
Dialogue: 0,0:00:18.77,0:00:21.48,Default,,0000,0000,0000,,that's responsible\Nfor determining attraction.
Dialogue: 0,0:00:21.51,0:00:23.61,Default,,0000,0000,0000,,Doesn't sound quite as poetic, does it?
Dialogue: 0,0:00:23.63,0:00:26.79,Default,,0000,0000,0000,,But just because the calculations\Nare happening in your brain
Dialogue: 0,0:00:26.81,0:00:30.13,Default,,0000,0000,0000,,doesn't mean those warm,\Nfuzzy feelings are all in your head.
Dialogue: 0,0:00:30.16,0:00:32.65,Default,,0000,0000,0000,,In fact, all five\Nof your senses play a role,
Dialogue: 0,0:00:32.67,0:00:36.23,Default,,0000,0000,0000,,each able to vote for,\Nor veto, a budding attraction.
Dialogue: 0,0:00:36.95,0:00:39.30,Default,,0000,0000,0000,,The eyes are the first\Ncomponents in attraction.
Dialogue: 0,0:00:39.32,0:00:43.09,Default,,0000,0000,0000,,Many visual beauty standards vary\Nbetween cultures and eras,
Dialogue: 0,0:00:43.12,0:00:45.64,Default,,0000,0000,0000,,and signs of youth,\Nfertility and good health,
Dialogue: 0,0:00:45.66,0:00:47.46,Default,,0000,0000,0000,,such as long lustrous hair,
Dialogue: 0,0:00:47.48,0:00:49.83,Default,,0000,0000,0000,,or smooth, scar-free skin,
Dialogue: 0,0:00:49.85,0:00:51.29,Default,,0000,0000,0000,,are almost always in demand
Dialogue: 0,0:00:51.31,0:00:54.21,Default,,0000,0000,0000,,because they're associated\Nwith reproductive fitness.
Dialogue: 0,0:00:54.23,0:00:56.43,Default,,0000,0000,0000,,And when the eyes spot\Nsomething they like,
Dialogue: 0,0:00:56.46,0:00:58.57,Default,,0000,0000,0000,,our instinct is to move closer
Dialogue: 0,0:00:58.60,0:01:00.62,Default,,0000,0000,0000,,so the other senses can investigate.
Dialogue: 0,0:01:00.64,0:01:02.80,Default,,0000,0000,0000,,The nose's contribution to romance
Dialogue: 0,0:01:02.82,0:01:05.59,Default,,0000,0000,0000,,is more than noticing perfume or cologne.
Dialogue: 0,0:01:05.61,0:01:08.21,Default,,0000,0000,0000,,It's able to pick up\Non natural chemical signals
Dialogue: 0,0:01:08.24,0:01:09.78,Default,,0000,0000,0000,,known as pheromones.
Dialogue: 0,0:01:09.80,0:01:11.08,Default,,0000,0000,0000,,These not only convey
Dialogue: 0,0:01:11.10,0:01:14.53,Default,,0000,0000,0000,,important physical or genetic information\Nabout their source
Dialogue: 0,0:01:14.55,0:01:19.55,Default,,0000,0000,0000,,but are able to activate a physiological\Nor behavioral response in the recipient.
Dialogue: 0,0:01:19.57,0:01:21.93,Default,,0000,0000,0000,,In one study, a group of women
Dialogue: 0,0:01:21.95,0:01:24.17,Default,,0000,0000,0000,,at different points\Nin their ovulation cycles
Dialogue: 0,0:01:24.20,0:01:26.50,Default,,0000,0000,0000,,wore the same T-shirts for three nights.
Dialogue: 0,0:01:26.52,0:01:28.98,Default,,0000,0000,0000,,After male volunteers\Nwere randomly assigned
Dialogue: 0,0:01:29.00,0:01:32.97,Default,,0000,0000,0000,,to smell either one of the worn shirts,\Nor a new unworn one,
Dialogue: 0,0:01:32.100,0:01:36.74,Default,,0000,0000,0000,,saliva samples showed\Nan increase in testosterone
Dialogue: 0,0:01:36.76,0:01:40.51,Default,,0000,0000,0000,,in those who had smelled a shirt worn\Nby an ovulating woman.
Dialogue: 0,0:01:40.53,0:01:42.18,Default,,0000,0000,0000,,Such a testosterone boost
Dialogue: 0,0:01:42.20,0:01:44.74,Default,,0000,0000,0000,,may give a man the nudge to pursue a woman
Dialogue: 0,0:01:44.77,0:01:46.51,Default,,0000,0000,0000,,he might not have otherwise noticed.
Dialogue: 0,0:01:47.03,0:01:49.16,Default,,0000,0000,0000,,A woman's nose is particularly attuned
Dialogue: 0,0:01:49.18,0:01:53.12,Default,,0000,0000,0000,,to MHC molecules,\Nwhich are used to fight disease.
Dialogue: 0,0:01:53.14,0:01:55.59,Default,,0000,0000,0000,,In this case, opposites attract.
Dialogue: 0,0:01:55.62,0:02:00.03,Default,,0000,0000,0000,,When a study asked women to smell T-shirts\Nthat had been worn by different men,
Dialogue: 0,0:02:00.06,0:02:05.15,Default,,0000,0000,0000,,they preferred the odors of those\Nwhose MHC molecules differed from theirs.
Dialogue: 0,0:02:05.18,0:02:06.38,Default,,0000,0000,0000,,This makes sense.
Dialogue: 0,0:02:06.40,0:02:09.08,Default,,0000,0000,0000,,Genes that result in a greater\Nvariety of immunities
Dialogue: 0,0:02:09.11,0:02:11.72,Default,,0000,0000,0000,,may give offspring\Na major survival advantage.
Dialogue: 0,0:02:12.55,0:02:14.64,Default,,0000,0000,0000,,Our ears also determine attraction.
Dialogue: 0,0:02:15.30,0:02:18.52,Default,,0000,0000,0000,,Men prefer females\Nwith high-pitched, breathy voices,
Dialogue: 0,0:02:18.54,0:02:22.84,Default,,0000,0000,0000,,and wide formant spacing,\Ncorrelated with smaller body size.
Dialogue: 0,0:02:22.86,0:02:27.29,Default,,0000,0000,0000,,While women prefer low-pitched voices\Nwith a narrow formant spacing
Dialogue: 0,0:02:27.32,0:02:28.97,Default,,0000,0000,0000,,that suggest a larger body size.
Dialogue: 0,0:02:29.69,0:02:30.99,Default,,0000,0000,0000,,And not surprisingly,
Dialogue: 0,0:02:31.01,0:02:33.51,Default,,0000,0000,0000,,touch turns out to be crucial for romance.
Dialogue: 0,0:02:33.53,0:02:37.20,Default,,0000,0000,0000,,In this experiment,\Nnot realizing the study had begun,
Dialogue: 0,0:02:37.22,0:02:40.97,Default,,0000,0000,0000,,participants were asked\Nto briefly hold the coffee,
Dialogue: 0,0:02:40.100,0:02:42.72,Default,,0000,0000,0000,,either hot or iced.
Dialogue: 0,0:02:42.75,0:02:46.25,Default,,0000,0000,0000,,Later, the participants read a story\Nabout a hypothetical person,
Dialogue: 0,0:02:46.27,0:02:48.38,Default,,0000,0000,0000,,and were asked to rate their personality.
Dialogue: 0,0:02:48.41,0:02:50.82,Default,,0000,0000,0000,,Those who had held the hot cup of coffee
Dialogue: 0,0:02:50.84,0:02:53.71,Default,,0000,0000,0000,,perceived the person\Nin the story as happier,
Dialogue: 0,0:02:53.74,0:02:57.53,Default,,0000,0000,0000,,more social, more generous\Nand better-natured
Dialogue: 0,0:02:57.56,0:03:00.25,Default,,0000,0000,0000,,than those who had held\Nthe cup of iced coffee,
Dialogue: 0,0:03:00.27,0:03:03.79,Default,,0000,0000,0000,,who rated the person as cold,\Nstoic, and unaffectionate.
Dialogue: 0,0:03:04.76,0:03:07.85,Default,,0000,0000,0000,,If a potential mate has managed\Nto pass all these tests,
Dialogue: 0,0:03:07.87,0:03:09.35,Default,,0000,0000,0000,,there's still one more:
Dialogue: 0,0:03:09.38,0:03:11.96,Default,,0000,0000,0000,,the infamous first kiss,
Dialogue: 0,0:03:11.98,0:03:16.48,Default,,0000,0000,0000,,a rich and complex exchange\Nof tactile and chemical cues,
Dialogue: 0,0:03:16.51,0:03:18.19,Default,,0000,0000,0000,,such as the smell of one's breath,
Dialogue: 0,0:03:18.21,0:03:19.60,Default,,0000,0000,0000,,and the taste of their mouth.
Dialogue: 0,0:03:20.09,0:03:24.03,Default,,0000,0000,0000,,This magical moment is so critical\Nthat a majority of men and women
Dialogue: 0,0:03:24.05,0:03:26.35,Default,,0000,0000,0000,,have reported losing\Ntheir attraction to someone
Dialogue: 0,0:03:26.38,0:03:28.04,Default,,0000,0000,0000,,after a bad first kiss.
Dialogue: 0,0:03:28.76,0:03:31.67,Default,,0000,0000,0000,,Once attraction is confirmed,\Nyour bloodstream is flooded
Dialogue: 0,0:03:31.70,0:03:33.20,Default,,0000,0000,0000,,with norepinephrine,
Dialogue: 0,0:03:33.23,0:03:35.52,Default,,0000,0000,0000,,activating your fight or flight system.
Dialogue: 0,0:03:35.54,0:03:37.14,Default,,0000,0000,0000,,Your heart beats faster,
Dialogue: 0,0:03:37.16,0:03:38.51,Default,,0000,0000,0000,,your pupils dilate,
Dialogue: 0,0:03:38.53,0:03:41.62,Default,,0000,0000,0000,,and your body releases glucose\Nfor additional energy,
Dialogue: 0,0:03:41.65,0:03:44.78,Default,,0000,0000,0000,,not because you're in danger\Nbut because your body is telling you
Dialogue: 0,0:03:44.80,0:03:46.61,Default,,0000,0000,0000,,that something important is happening.
Dialogue: 0,0:03:46.63,0:03:47.80,Default,,0000,0000,0000,,To help you focus,
Dialogue: 0,0:03:47.83,0:03:50.31,Default,,0000,0000,0000,,norepinephrine creates\Na sort of tunnel vision,
Dialogue: 0,0:03:50.33,0:03:52.60,Default,,0000,0000,0000,,blocking out surrounding distractions,
Dialogue: 0,0:03:52.62,0:03:55.02,Default,,0000,0000,0000,,possibly even warping your sense of time,
Dialogue: 0,0:03:55.05,0:03:57.13,Default,,0000,0000,0000,,and enhancing your memory.
Dialogue: 0,0:03:57.15,0:04:00.11,Default,,0000,0000,0000,,This might explain why people\Nnever forget their first kiss.
Dialogue: 0,0:04:01.00,0:04:03.03,Default,,0000,0000,0000,,The idea of so much of our attraction
Dialogue: 0,0:04:03.06,0:04:06.30,Default,,0000,0000,0000,,being influenced by chemicals\Nand evolutionary biology
Dialogue: 0,0:04:06.32,0:04:09.02,Default,,0000,0000,0000,,may seem cold and scientific\Nrather than romantic,
Dialogue: 0,0:04:09.04,0:04:11.34,Default,,0000,0000,0000,,but the next time\Nyou see someone you like,
Dialogue: 0,0:04:11.36,0:04:15.32,Default,,0000,0000,0000,,try to appreciate how your entire body\Nis playing matchmaker
Dialogue: 0,0:04:15.34,0:04:18.24,Default,,0000,0000,0000,,to decide if that beautiful\Nstranger is right for you.