The Science: Touch has a long and well-documented history of tricking our brains into liking people more.
One study had a bunch of students work on problem-solving tasks, along with an assistant who was posing as a student.
What if you successfully make shoulder contact, but it's right at the point in the movie where the shark bursts out of the closet, wielding a knife?
Then all you'll get for your trouble is a distressed shriek and an elbow to the nose, which is exactly what you would've gotten if you had just grabbed her lustily and shouted "HONK HONK." Dating is just the worst.
Of course, this all gets easier, and it will soon come more naturally.
But for now, take comfort in the fact that physical contact will get the job done (assuming you're not just going "THINK FAST" and jabbing her in the eyeball).
You, the reader, are probably a guy, and you are probably interested in dating girls, who are probably girls.
At the risk of generalization, this feature will deal with ways that guys can attract and hold onto girls, using facts that come from scientists.
Explanation: Nothing is more terrible and perilous than those very first few dating situations where you, as the dude, feel obligated to make some kind of physical move.
Should you just yawn and stretch and put your arm around her? What if you miss and put your arm around the wrong one?
We know this because prairie voles have a lot of it, and they are so monogamous that they practically get married in tiny little rodent wedding ceremonies. If you're dating someone to whom you are also trying to sell your car, it might help to know that touch makes people more likely to buy cars.