Hugging.
In my opinion, you can tell a lot about a person just by their hugs. Of course it all depends on whether it’s a hello hug or a goodbye hug, but If a person hugged you tight, it means they care and really enjoyed your company. But if it pretty much felt like they just slightly touched your back, the hug doesn’t mean anything. I dislike those kind of hugs.
You have way too much time on your hands now… Hhahahaah