But as one researcher discovered, the exact motives are surprisingly complex.
Melania Trump in the January 1997 issue of Max Magazine.
As soon as you launch the site, you're asked for your sex and sexual preference to give you more of what you want.
If you like BDSM, Kink.
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She has modeled for Sports Illustrated and Vogue among other publications, posing for such top photographers as Helmut Newton and Mario Testino.