You really have your plate full. I hope you get some emotional/mental relief soon. I really respect the way you are trying to take care of your sons. Having one child to go through what your five have experienced, is more than some parents could handle. Don't give up, Jim. This school year will probably be rough for them b/c they may feel all of this stuff happened to them, yet they had no say about it. I'm glad you are getting therapists for them.
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!