>>76720180
Semen retention lowers testosterone because the body senses that you are not cooming for a long period of time so it thinks that you are sick or injured, or you are an impotent low status beta cuck so it lowers testosterone dramatically because it's a waste of resources having high T under those circumstances.

>>76307513
>increases test by 45 percent
Kek, he fell for the chinese psyop study