There are hundreds of different situations in which people hug. Every day, millions of people hug. Hugs can happen in sad situations (such as in hugging someone who is crying to make them feel better) ...

We’ve all been there. You lean in for a warm, movie-style embrace, and you’re met with a stiff, triangle-shaped pat on the back that screams, "I’d rather be doing my taxes." Or, you get a squeeze so ...