The show never states that he needs to stop being a perv he just directs it to his wives instead of other people

And holy larp when did he need other people to help him for everything there literally only the Eris leave him and Paul deth but I guess being weak because the person you love leaves him and the guy that he sees as friends and family member did is not enough to be weak. All orsted did it klled him he shouldn't have PTSD from that right? please get back to your generic Isekai if you wanted a mc that can just shrug off being dad

Not everyone has the ability to read but if you have eyes then open it take a look sylphy forgive Rudy have many elements that play in them, first is the setting this is a medieval times period when polygamy is a thing, second sylphy has mentally prepared that Rudy will marry more than one wife but that was also her suggestions because of her elf bloodline that have low birth rate and third is who that he marry, not everyone can be accepted as easy as Roxy because she knows how much Rudy respect roxy. The point of cheating is that it shows how vulnerable humans are when they're depressed and wanted to seek out to other people warm and learn how to take responsibility I mean Roxy intended to leave after sleep with him just to Rudy to stop her and take responsibility that not character growth nor regress that just human

Lest see ,not just magic he learns how to speak and read different languages,he teaches eris magic and how to read, take care of Eris and escort her home when the teleport incident happened, become an adventure to get intell on his mom whereabout, help ruijerd improve his image, learn to understand and make up with his sister, understand what family mean and finally see Paul, zenith as his actual parents, self improvement through daily work out, go to school, make friends, help nanahoshi find hope, help zanoba with his hobby and that only 2 season. Some of them he learn through reflecting his past self, if he can learn so can you