They probably weren't exactly going to be done after this, so it was fine, probably, to have this just be for...utility. Feeling good, getting off. He did want to make her feel good, more than anything, that need to be of use burning inside him. He rested his hand against his lower abdomen, just above his dick, so that moving his hips also moved his fingers in tandem. Yes, this worked. This worked perfectly. He could only hope it was working for her, too.