Sex advice

Okay so my boyfriend is uncircumcised And it's kinda hard giving him oral simple fact he's the second guy I ever went down on my whole 20years of living.And giving him a hand job,it's just the simple fact I be scared i'm going to hurt him so i'm not that well at any of them but I want to please him the way he please

Me.Any tips or videos I can watch to learn???(Don't need no negative comments u can gtfo )