Hi David,
You're on the right track, the one thing to consider is that (E2) causes the reduction of the sperm or lack of Spermatogenesis. So, no sperm being produced causes one to shoot blanks!, happened to me too!. At that point it's a possible sign of infertility, not that Clara or myself are worried about that, but there's so many other reasons that contribute to low sperm count in addition.
Most men produce 6-8 mg of the male hormone testosterone (an androgen) per day,
NO EFFECT
Masturbation and sexual activity in general may have no significant effect on testosterone levels. Semen is not the primary source of testosterone, which indicates that ejaculation that occurs with masturbation does not reduce testosterone levels.
HORMONAL CYCLE
Masturbating to the point of orgasm may set off a subtle hormonal cycle. Ejaculation that is followed by 6 days of abstinence may contribute to peak testosterone levels on the seventh day of after ejaculation.
https://www.increasemyt.com/daily-trt-articles/masturbation-and-testosterone
http://www.livestrong.com/article/246689-the-effects-of-masturbation-on-testosterone/
Yes I know, this doesn't really explain the stud that can produce 25 cc or more of the boys at a time, or the multiple times in a day!. But don't get me started on what BPA's and endocrine disruptors can do!
Just some FYI, try every 7 days if you can, if you're still getting the morning wood, it's saying I'm still here, lol
Nice website Clara, good suggestion David!