So close, yet SO far away

Hey everyone... I need help, or advice, or a way out... SOMETHING. See, Tyrone and I have been drifting apart, so far apart... and I can't hold it against him, or can I?He tells me he's going through stress, but he won't share with me, won't let me in, just pushes me away. He tells me his friend from childhood died, but he pulls even further from me. Tells me he's dealing with stress at work, and yet, doesn't want to hold me close and forget his problems for awhile. He tells me that he's feeling pressure in keeping the household going, when all I ask of him is to keep groceries in the house. LAst night, he even tried to kill himself...   I've been locked out, access denied, code changed, I can't get in. Which also means I don't know how to help. The further he pushes me away, the closer my ex and I get. The closer I feel to him, the better I feel. DAniel and I have taken me back to a happy place, but I really do still fear what's going to happen to Tyrone. I don't know if I should just take the added pressure off of him and leave him. That way.. he doesn't have to worry about the household, or me, all he has to do is live. Then again, is that cruel? Should I stay until he's better? I mean, for God's sake, I haven't gotten sex in over 2 months. Should I go? Do I stay? Where do I fit into this picture?