That's fine, but I'm interested in the very large component that is related to the hormonal milieu. Like many guys, I'm tantalized by the especially good results that are sometimes obtained during transition periods. One hypothesis I've seen is that neurotransmitters are perturbed in these periods, and their eventual return to baseline is the reason for effects being temporary. But I'm not convinced, and think further experimentation and other hypotheses are needed.Libido is so much more than just hormones.
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