Welcome to HCM
We understand your concerns
is done for the ease of foreskin movement. Foreskin movement is important and has benefits like ease of intercourse, low bacterial or viral activity underneath the foreskin as you can clean it thoroughly etc.
Your friends are correct. You need circumcision. Consult a general surgeon
and he will do it for you. It is a simple one and not associated with any hospitalization or any risk of side effects or infection.
Just do it and don't be anxious.