Dear Drew, reading your post was like someone else telling my past about the two relationships I've had.
I've loved guys who had so many problems that they did not even had the strength to give back the love that I needed. Of course back in the day I said that I didn't care if they couldn't show it cuz I knew they truly loved me. What I didn't know was that I was never going to get my fairy tale out of it. I used to think that if I tried hard enough, loved them enough, gave ALL my time and devotion to them, they eventually wouldn't care about anything else but loving me. That some day they'd realize how much they're loved by me and start being the perfect guy, just for me, all my effort being "paid back" with unconditional love.
Until I found a book of Robin Norwood: "WOMEN WHO LOVE TOO MUCH when you keep wishing and hoping he'll change"

I dearly wish for you that you are not a woman who loves too much, and I really hope for you that he is capable of seeing your unconditional love, BUT if this goes on in more than six months and so on, I'm afraid it'll tear you both apart, individually.
I really hope the best for you, Love is such a beautiful way of being, but please don't martyr yourself any longer if you simply can't see changes that are good for you both.

Hope my message is sound and clear and mostly helpful, English is my third language x)

Take care <3
Heidi.