Looking for a little advice and support

[cbtdad]

Ok. So I'm about to "go dim" for a while. I must focus on me 100% right now. I am worried about the W and her emotional state, but unless she wants to do something about it or more importantly wants me to help it really doesn't matter.
I picked up our son today from school and dropped him off at MIL's house. She didn't say much and as usual lately she was just in pajama pants and a sweatshirt laying in bed. I told her thanks for letting me pick up S and that I would call him later. She said bye.
When I returned to office I sent her text:

M: w, I just wanted to let you know that things have been really good lately with S and other things. You are a great mom to him and its beginning to show.
Having said that, you seem upset lately. Is there anything I can do to help?

W: No

M: K. If you need anything let me know

I just figured I would ask her one more time before I pull back. I'm pulling back because honestly it is beginning to bring me down. I need to focus on a positive future with or without her