Welcome to Psych Central (PC) Gigimaw. Sorry to hear you have been suffering from your husband's moodiness. He sounds like he may be in a seriously depressed state. When he is feeling okay see if you can get him to agree to see a psychiatrist. Many people try a psych doc and with meds. Staying on the meds keeps them on a balanced, grounded place. Some people at PC will find a therapist will also help them sort out the roots of their life.
Getting sleep may be the single one thing that keeps me in balance. If you or you husband are not sleeping or having bad side affects, contact your doctor or psychiatrist and tell him what is happening so you can make adjustments.
Many people find compassionate, caring people here at PC. Some people find the forums give them the compassion and empathy they seek.
http://forums.psychcentral.com
There are articles that go into more detail about coping
Psych Central - Search results for Caregiver to a bipolar person
Please feel free to private message me or any of the Community Liaisons by left clicking on the name in blue to the left of their post) for questions or just to share.