SEMEN RETENTION ENERGY REDDIT - AN OVERVIEW

Interest cunnilingus givers and receivers, we’ve obtained an oral intercourse approach so as to add to your rotation. Behold: the Kivin system.A 2018 research implies that ejaculatory abstinence intervals of more than 4 days have a harmful effect on sperm. A single 2015 review suggests that daily ejaculation does not have any main negative effect