Responses

You know, i believe there are no dumb questions in this world.
I believe this reincarnation of his is actually quite young, isn't he in his 40s or something like that? So there should be no pp problem at this point
BUT even if he was much much older, as long as his organism is eating and working properly, there shouldn't be any issues on that part :)
Usually it's when you starve or you're hurt that your body tries to save on nutriments, but i'm sure he's fine thanks to his brat bf :)
Thank you for asking such question though :)
I can't wait to see how their domestic life will be.
To be honest, the most outgoing one has to force the plot to progress sometimes
GO GET THAT OLD MAN DICK BRO, BUT DO RESPECT HIS BOUNDARIES A TAD MORE PLEASE or you're gonna stress him out ~_~