Families & Friends Of Addicts Support Group
Addiction affects more than just the individual. This community is dedicated to the families and friends of individuals suffering from any form of addiction. Mental health professionals are increasingly considering alcoholism and addiction as diseases that flourish in and are enabled by family systems. Family members react to the addicted person with particular behavioral...

Get involved in your life outside of the relationship too, and do things in other areas to help fill your needs and make you feel more fulfilled and happier - friendships, support groups, and DS is a great start.
It's easy to get so wrapped up with what our partners want and what their doing that we forget to take care of ourselves. Find ways to make yourself feel better, outside of how he's acting.
I hope this helps. Take care.