As for your mother, she said she would tell everyone. I just want to threaten you to give up your gym pants.
It's very important for you to insist that this is a souvenir from a friend.
Besides, you know, many dancing boys wear fitness pants and tights. So he's not a pervert. But wearing too tight clothes to sleep is not good for your health, so don't wear them in the future. Or choose other types of pajamas.