Modern instruction often advises a “hook up and hope” strategy for dating, but it rarely leads to long-term love and commitment. Learn the science behind what really works—and why.

If I had a dollar for every time someone asked me about food expiration dates, I could afford to buy a lot of the milk that gets tossed each week ...

Kissing, licking, tickling and biting are cool — but the most telltale sign that a person sees you as either a buddy or a ...