I'm just curious. Done no research into this. Can anyone explain if there is a correlation?
Relevant studies cited in the linked article:
Fox CA, Ismail AAA, Love DN, Kirkham KE, Loraine JA. Studies on the relationship between plasma testosterone levels and human sexual activity. J Endocrinol. 1972;52:51–58.
Batty J. Acute changes in plasma testosterone levels and their relation to measures of sexual behaviour in the male house mouse (Mus musculus) Anim. Behav. 1978;26:349–357.
Phoenix CH, Dixson AF, Resko JA. Effects of ejaculation on levels of testosterone, cortisol, and luteinizing hormone in peripheral plasma of rhesus monkeys. J Comp Physiol Psychol. 1977;91:120–127.