Does Having Sex Causes Stoppage In Height ?

Does having sex causes stoppage in height ?

I m a teenager and 5"4 i want to be 5"7 i m a virgin can my height still increase ?

What exercises can i do to increase my height ? And what exercises can i do to keep my breasts healthy and in shape ?

And my friend hanu told me her secret that she inserts the back of her pen in her vagina for 4-5. Secs and she feels good about ... she said she had been doing it since a year she is of my age .. what are the bad effects it can have so that i get a valid reason for her to stop ? Nd how can she undo this ?