Guys, If you are not attracted to a girl how do you act around/to her?

A guy i am attracted to gives me mixed signals. i don't want to date the dude but mutual attraction would be nice.

just wondering what are some signs you guys do when around a girl you are not attracted to?
thanks
Updates
+1 y
signs meaning little quirks by the way xD
Guys, If you are not attracted to a girl how do you act around/to her?
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