>>611,612 Sounds like you both made some poor choices, rather than there being an inherent problem with marriage.

>your girl demands you divert rent money for her designer handbags, when she begins cutting you off from friends, when she starts shitting on your weeb hobbies etc.

Just don't marry someone like this, simple! Everyone else, try going on a few dates with someone before proposing to them, and look out for any red flags like that.
“But what if I'm colourblind and red flags look the same as green flags?” Hmmm I can't help you with that, sorry