Frequent masturbation lowers testosterone utilization https://www.researchgate.net/profile/Alonso_Fernandez-Guasti/publication/6536830_Relationship_between_Sexual_Satiety_and_Brain_Androgen_Receptors/links/54b6c2970cf2e68eb27f0321/Relationship-between-Sexual-Satiety-and-Brain-Androgen-Receptors.pdf

Three weeks of abstinence increases testostorone levels https://www.ncbi.nlm.nih.gov/pubmed/11760788

Masturbation is associated with lower psychological health and reproductive well-being https://www.tandfonline.com/doi/abs/10.1080/14681994.2019.1677883

Sperm contains compounds that prolong lifespan, fight cancer & heart disease https://vitalrecord.tamhsc.edu/spermidine-rich-foods-may-prevent-liver-cancer-extend-lifespan/

Masturbation decreases dopamine levels https://sites.tufts.edu/emotiononthebrain/2014/11/18/postcoital-neurochemistry-the-blues-and-the-highs/

Watching porn reduces gray matter in prefrontal cortex https://jamanetwork.com/journals/jamapsychiatry/fullarticle/1874574

Porn addiction has similar mechanism with substance addiction https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4600144/

Making sperm shortens lifespan of male worms https://www.nytimes.com/1992/12/03/us/in-worm-at-least-making-sperm-is-found-to-shorten-a-male-s-life.html

Masturbating 3 days in a row decreases sperm count by 20% https://www.ncbi.nlm.nih.gov/pubmed/2054949

Increasing ejaculation frequency decreases sperm count significantly https://www.ncbi.nlm.nih.gov/pubmed/15497706

Prevalence of erectile dysfunction doubled between 2004 and 2013 http://cir.usc.edu/wp-content/uploads/2015/05/Genital-Image-Sexual-Anxiety-and-Erectile-Dysfunction-Among-Young-Male-Military-Personnel.pdf

Pornography consumption is associated with mental health issues https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6327603/