My forskin is tight and when i try to masterbate i feel nothing

My forskin is tight and when i try to masterbate i feel nothing. This odd as all my other friends are masterbating and having a good time doing it. When i make my fist into a hole andn start to go up and down on my penis, if i go down too far it starts to hurt. When i try to materbate i feel nothing maybe i'm doing wrong i dont know.



Please Help