Guys, do you tell a girl personal things about you and your family and open up to a girl you are hooking up with if there are no feelings involved?

Not sure if it’s just a friends with benefits situation but he has told me personal stuff about his family and his childhood when he was drunk and was pretty vulnerable with me last time we hooked up.

He also told me sometimes he looks at me and gets hard when we are in Public. he also will ask me what I like during sex

i know I’m overthinking these little things but does it seem like these are things a guy only does when he is starting to like/fall for someone?

Guys, do you tell a girl personal things about you and your family and open up to a girl you are hooking up with if there are no feelings involved?
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