"Well, what you said is all fine and dandy, except for that over 20% of heterosexual couples include anal sex in their "heterosexual activities."
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Well, that may be true. However, heterosexual sex (usually) is not exclusively anal sex. It may be more expirmental, from time to time. Homosexual sex is much more likely to involve a long-term pattern of such behavior. That is why I concluded that it is more risky than heterosexual relations.

Sincerely,

Scott