Don't send that text. If you really have to satisfy that itch to send a text, I might I suggest that you only address that the two of you sit down and focus on getting the financial stuff finalized this week.
No talks about figuring out his stuff...that's his problem...not yours. He's a big boy and you are not his mother.
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.