In my opinion: create a "safe: environment and don't get riled up at the mood swings. Recognize that he's got frayed emotions and needs you to tread lightly. The calmer you are the better. Work on you. Be open and honest, but be calm.
Dance.
AJ
"Our lives begin to end the day we become silent about things that matter" MLK Put the glass down... "Yesterday I was clever so I wanted to change the world Today I am wise, so I am changing myself."
