We put their needs first and forget about ourselves.
This is absolutely necessary and appropriate for a while.
Think about when it might be OK to put yourself first, and make conscious choices to promote more balance in your relationship. Learn how to support your partner in their suffering.
You can’t “fix” the depression any more than I can fix my partner’s Crohn’s disease.
When you offer care in hopes of helping to treat (or fix) your partner’s illness, you will become frustrated.
You will never be able to cure your partner’s depression, so it doesn’t serve you to try to fix it or change it.
It can be difficult to resist arguing about how they view themselves and their lives.
You can learn how to support your partner and how to be supported.