I'm 13 , i'm getting fingered, i have long lips . Bad? good ?

i have long l lips , he's fingered a girl once before . will the apearrance be digusting for him ? aree they bad ? i'm 13 and me and my boyfriend have been dating for quite a while . we have talked about how "far" we would go with eachother and i have came to the conclusion that i am going to let him finger me.he really wants to and i didn't let that pressure me , i want it to happen , don't bother telling me don't do it , i'm going to . long lips ? bad ? good ?