I Need Help

So my aunt has had custody of me for a few years now and at first it was just me and her until her husband came into the picture thats when things went bad… For years now there has been content arguing and many times were they almost got a divorce and all because of me.. It’s came to the point were enough is enough and they might get a divorce for real this time.. I feel that if I leave and go back with my dad then my. Aunt can save her marriage with me out of the picture… Should I leave or stay….idk what to do