you had the depression/anxiety before the relationship, right? that's what would make me second guess that the relationship is actually causing it now. does that make any sense?

depression lies to us and we're desperate to try to feel better and sometimes can do desperate things. if you did better on your meds then yes, i would go back on. why did you go off of them?

i would wait until i wasn't so depressed and anxious before making life altering decisions such as ending a long term relationship. if when feeling better, you're able to analyze the relationship and it's still not what you feel you need for your life right now, then consider moving on or trying to change the relationship.

i wish you well.