Noticed Bend In Penis. Is This Normal?

sir..m 22 years old.have been very reserved person..i came to knw the basic difference between boy and girls in first year of my college..i was innocent..i started masturbating alot.sometimes so much tat i did it while watching videos in my laptops and hiding it from ppl sitting in common room..i was always alone.bt then life started changing..i made lots of friends..i reduced masturbation..but i see some bent in shape..as if the grip i formed with my hand and tightly masturbated with..the shape has bended into that grip i think.i stopped masturbating.get into spiritual activities..i masturbate after intervals..my friends i guess cudnt understand my problem and thought its normal..but i m scared..cant my shape of penis b normal??also the size i find small..4-5 inch when erect..but girth is less.what shud i do?