Rehab, Love, and Life

My life usually isn’t this complicated. So I’m having a little trouble handling this one. Kyle and I dated for a year and we broke up shortly after our one year in January. He told me he wanted to see other people. It took me awhile, but things started to get back to normal and I realized that I could do this. Life was going to be okay. Long story short, he called me, told me he was dropping out, moving back to Memphis, and going into rehab for drug and alcohol abuse. Needless to say, this took me by surprise. I knew he had problems, but I never thought he was bad enough for rehab. He started to call me every night and talk about how great it is to be sober. He sounds like a completely different person now. He talks about wanting to get back together now, but I told him that he needed to prove that he could stay sober for himself and for us. I love him more than anything and I know that I’ll be fine without him, but everyday I just feel like something is missing. I want to be together now, but I don’t want to be responsible for his sobriety- he must do this himself, and I want to do what is best for me. I spent a year living through heavy pot and alcohol use. Then, after we broke up, he began heavily using psychedelics and called me once threatening to kill himself. Things were great when we dated, I never had to deal with all of this extreme behavior. He gets out of rehab tomorrow and I have agreed to meet him and talk about everything that’s happened. I know he is an addict. I know addicts lie. I just can’t help but see the Kyle I love through all of this. Could we ever get back together? How long is long enough if we do? Things are so messed up, I just don’t know what to do.