Hugging. Some of us like to be hugged, and some of us don’t.
I don’t mind being hugged. Don’t mind giving hugs either. Crushing bear hugs. Soft two-second hugs. Group hugs. One arm hugs. Whether we hug someone or not depends on how we feel about them. And how they feel about us.

Post-proposal. Marriage, hugs, and kisses are containers of happiness, warmth and trust | Weekly Photo Challenge: Containers.
We hug someone we barely know when we like them and feel like we can be friends or more. If we have a nice conversation going and maybe share a laugh hanging out with someone we don’t know well, we might hug them when saying hello or goodbye.