Learn when to kiss, hug or fist bump. Britain's Duchess of Cambridge Kate, left, receives a hongi, a traditional Maori welcome, from Maori Elder Hiria Hape at their official welcome ceremony, in ...

In my culture, children are expected to greet everyone at a family gathering with a hug and a kiss, but my daughter hated it.

As Valentine’s Day draws near, candy hearts emblazoned with XOXO, as in “hugs and kisses,” remind us that love is in the air. But why XO? Why not AB? Or XY? It turns out that XO, which has been ...