I've been wondering who are the worst anime characters to ask for relationship advice. So far I thought of Yujiro Hanma from Baki, because he would absolutely invade your privacy in the worst moments and "coach", and Mei Mei from Jujutsu Kaisen because she would not only charge a lot of money for "consultation fees", but worse, her advice would be really really bad since she is both a sociopath and a groomer...
I'd ask goku before roshi
It's funny because I like Roshi and his fighting style (and was glad when they brought him back in Dragon Ball Super).
The only thing I hate about him is his perverseness, which is basically a relic of the 1980s humor of the original Dragon Ball manga.
Roshi at least knows how to raise children. Goku on the other hand...