caigy,
Here's a thread posted by TMAK years ago about mlc depression being torture. It may not answer all of your questions, but depression does play a major role in mlc.

http://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=173939&page=1


Sit quietly, the answers will reveal themselves when you least expect them to.
The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.