The first reason is very straightforward and projecting oneself is a form of personal entitlement, it comes at the cost of the male character being an annoying, boring, undeserving, and with a bland personality. The second reason is far more complicated than you think because countless waifu-war...
Because of that, Reito is now invaluable as a breeder, and he's strongly encouraged to start having sex with as many women as possible in order to pass his immunity on to new male babies. However, he's still hung up on Elisa, the long-time friend he confessed to shortly before ...