Decoding the "side hug"

This is something I've been thinking about recently. The side hug can be a blow off, a sign of discomfort, respect, or just general social awkwardness when it comes to hugging.

My question is, how do you view a side hug from a guy? Here's my situation: I like a close guy friend, we hang out alone often, he pays for stuff... BUT, he'll occasionally give me a side hug. Like if I'm wearing a low cut top (rarely), or if we're in front of other people. Am I reading too much into it? AGAIN.
Decoding the "side hug"
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