You also might actually like to take up formal mindfulness meditation. Here are some free guided mindfulness meditation: http://marc.ucla.edu/body.cfm?id=22. You can find many other resources on the Internet. I think that any form of meditation will be good, but mindfulness meditation might be especially good.
I also think that loving kindness meditation could be very good for you. You badly need to forgive yourself, and lovingkindness meditation, I think, could help. Here’s a place to learn about it: http://www.jackkornfield.com/2011/02/meditation-on-lovingkindness/. There are many others on the Internet.
Support your 4th (heart) chakra with activities such as those found here: //www.ccqqn.com.cn/heart-chakra.html. The intent here is to develop more compassion and forgiveness for yourself, and allow you to connect back into the universal energies of love and healing.
Support your 2nd chakra with activities such as these (//www.ccqqn.com.cn/sacral-chakra.html). It's always good to work with the 2nd chakra when there are issues of depression or hopelessness.
Ground and center regularly. (//www.ccqqn.com.cn/centering.html