When you are depressed, see if there's a serious problem in your life that is causing you to be depressed and devote as much time and energy as you can muster towards exploring solutions to that problem, even if they entail dramatic life-changing decisions, because that's the kind of problem we're dealing with here. Examples of such problems: you hate your graduate program. You have no friends in your city and no ide…
If the answer is more "No" than "Yes" then you need to figure out the specifics of why that is and either have a long conversation with your partner or find a new one.
Remember: you can't change your partner, but if your requests are reasonable and they truly care about you, then they can change themselves.