Yes, as many have stated above, there is a clear link between testosterone and tendency to make it in the world (and make it with a bunch of women).
Of course, you can have high levels and still be a withdrawn nobody who just watches porn all day.
There is a radio program called This American Life, and they featured stories on testosterone (including a guy who lost all his T, and a woman who started taking a bunch of T). It was amazing, and I recommend people find it on iTunes (I think it's 99 cents).
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