Clean Up

My bf and I do anal a lot. I'm not on birth control currently and it's nice for both of us to get skin to skin contact and for him to be able to finish inside. The only problem is the clean up. I feel like I'm not getting all the lube and cum out. Is there a good way to know if you're all clean or a good technique for getting clean? Maybe I should ask him not to go so deep when he finishes? I would love advice on this!