If you have mental health problems, it is only natural that this is going to negatively impact your academic performance. And when you drop out because of low performance, you have good odds of succeeding when that mental health issue is under management or resolved.

Still, fear of repeating a cycle is an issue. I have experienced it myself. If you go back now, and fail, can you really go back a third time? Maybe.
So maybe you still need another year to solve your issues? You ask us for a 'coping mechanism'. But you don't even tell us what issues you have.

I would suggest professional help.