iam 22 years i had bad habit that weekly once r twice i rub my cock.r their any little change in the face while doing it.because after doing some of my friends r telling that u r face is to bad.is their any affect.plz give me reply.
u need not to worry as there is no bad effect for what u r doing
u r doing a type of masturbation it is natural and normal and never cause harm to body
what ur friend observe is just co incidence only
do regular exercise and drink more water