The answer is simple. Anal sex can't be spontaneous. She needs to do an enema and take a shower beforehand. Its a very enjoyable experience for both of you when she's clean as a whistle.
same here; if I know I'm gonna bottom for some hot stud I'll make damn sure I'm cleaned out b4 a hook up. Easy to do with a shower douche; attaches right to the shower head and cleans things out in seconds.