There is a disorder called POIS (Post-orgasmic illness syndrome). My brother's got it which means that he feels severely sick for at least a day after an ejaculation... brain fog, fatigue... That disorder may be a factor that explains why some people benefit from no-fap.
Also, the second chakra gets triggered by an ejaculation in my experience, so my energetic baggage from the second chakra would show up after an orgasm - which is not exactly pleasant. I'm working on cleaning that chakra so that I will feel better after an ejaculation.

I don't think its arrogance when you believe in yourself. Arrogance is doing wrong things even when you know they are wrong but doing it to assert yourself. 
its being unnecessarily competitive.