while you're letting him drive the D, make sure you move forward to protect yourself financially.
there are two sides to this, to help save the M you dont want to pressure him about the R, you dont want to help him with the D, etc.
On the other side you also need to protect yourself - emotionally, legally, but even more financially. This is very important, and you dont want to ignore it.
"In a ham and eggs breakfast, the hen is involved, but the pig is committed".
