This is an article about the online communities of people who abstain from masturbation. It discusses the reasons people join these communities and the potential harms and benefits. Some people find these communities helpful in overcoming pornography addiction. However, there is concern that these communities spread inaccurate information and may overlap with extremist groups.
Not ejaculating is also linked to higher testosterone. Many fighters do intentionally not have sex or masyurbate masturbate a few days before their fights.
I think I’ve read that’s only a very temporary decrease immediately after ejaculation, it’s a tough thing to measure over time since you have to draw blood each time. Sports are full of psuedo science and myths.