Sex Degrees of Separation: How Many Indirect Sexual Partners Have You Had?

“Every time you sleep with someone, it’s like you’re having sex with all of their previous partners.” We’ve all heard something like this before, right? The basic idea is that for every direct sexual partner you have, you also accumulate some number of indirect partners (i.e., people who are intimately linked to the person you actually had sex with). So just how many indirect sexual partners have you had?  You may be surprised to find out.
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