Back in the day I would leave class because I had the urge to go to the bathroom and jack off and then I came back and everyone wonders why was gone for the past 35 minutes.
Why would you do that in a public bathroom? Did you ever get caught?
They might've suspected something but I was never caught or punished.
Well jacking off is normal, but you probably shouldn't miss so much of the class. Better to do that at home.
I just wanted to prove to myself I'm smart.
Well if you want to prove that that you should do that in the classroom. Like I said doing this in public places isn't morally correct. You should learn to suppress these urges until you get home to take care of it.