I went to Catholic school in the early 60's,and one day,the Nun who taught Health class told us that masturbation could make you go blind.
So I asked her if I could just do it until I needed glasses.
LOL!
What did she say?
Were the nuns at your school mean? I heard that decades ago some were and would hit students with rulers or their hands for no reason at all, if they thought you were bad or just did not like you.
The older nuns seemed to have a mean streak in them. We had a few who would absolutely use a ruler or pointer to crack you on your butt or the back of your head or wherever they felt like it. One time, when I was in 2nd or 3rd grade,I was in the cloakroom(Catholic school term for coatroom) and I accidentally knocked another kids metal lunchbox on the floor.
This nun left her desk,came into the cloakroom,saw what happened,and said"You naughty thing!". She then slapped me across the face. It wasn't a full force blow,but it was hard enough to sting. Regardless of that,what kind of sick bitch slaps a kid across the face (while wearing a crucifix around her neck,no less)?
There were numerous instances of discipline like this,and back in those days,there was a presumption of guilt on the kids part. The conventional thinking was that the nuns didn't whack you unless you gave them a reason to,so not only was nothing done about it,but you faced punishment from your parents when you got home, because you didn't listen at school.
In all fairness,the majority of the nuns were fair minded ,and would take you to the Principal,or call your parents if you seriously misbehaved.
It was just the few old,mean,(and probably sexually repressed)nuns that seemed to enjoy the control and fear that they were able to instill in a bunch of little kids.