its pretty normal, especially if he likes you

27

Physical contact, touch even innocent can cause it to happen, even more so if he’s attracted to you

22

What one and 3 said but also keep in mind it doesn’t necessarily means he wants sex, it’s not really controllable

12

It’s even possible for a man to be physically aroused while not mentally interested or aroused, it’s called arousal non-concordance and very common. Physical arousal and mental arousal in men are actually completely separate.

12

Literally the dick simply goes up when it is near a butt. We have no say in the matter

10

Yeah but it’s completely involuntary

5

I’m a girl and I get horny from cuddles sometimes. So do other girls. We just dont have penises that get hard to show for it. Either way its a normal reaction from someone that likes you and touch from the entire body is involved.

4