Does your circumsition benefit you? Yes.
No it most certainly does not. Give one example of how it benefits you.
Is the effect incredibly minor? Yes.
Nope. Having a large part of your willy chopped of can never be described as minor.
Does it ever negatively effect how your body performs? No.
It desensitizes the glans, which reduces the pleasure a man gets from sex. I'd call that negative.