Seems like an incredibly easy oath to break. It only prevents him from taking an official wife, so siring a child with a random noble concubine to continue the bloodline can be done.
Naw naw naw, prince is on some bitch made shit you can’t seriously expect her to accept you that quickly after years of abuse. Bitch ass didn’t even explain himself and threw a tantrum until his bro came in and saved him this some lame shit lmao.