Is it normal to not orgasm when someone licks your ass crack?
So me and my sister like to explore each other's bodies just to get a feel for the other gender's parts. So, one day I had my sister lick my ass crack for at least a few minutes, and I did not even feel like I was anywhere close to cumming. When I did it for my sister though, she had multiple orgasms from just licking her ass. IIN?
FYI: Me and my sister do not have actual sex