Your body absolutely reacts differently to sex than masturbation. I’m not defending this idiotic no nut stuff but there’s no need to state misinformation.

https://www.newscientist.com/article/mg18925405-900-sex-with-a-partner-is-400-better/#:~:text=Surprisingly%2C after orgasm from sexual,satisfying than masturbation%2C says Brody.