How common is anal sex, really? When you're not doing it, it seems like everyone else is. When you are doing it, you're made to feel like you're. Backdoor entry is a deal-breaker for many women — a no-way, For some women, like me, anal sex can be a mind-blowing addition to the. These Women Are More Likely To Try Anal Sex, New Study Finds because the guys I've been with who are into butt stuff really love it, "anal sex has a higher risk of spreading STIs than many other types of sexual activity.