I struggle with how to proceed with my S16 also. What I think is we need to stay out of it and let it take its course with the hope for good outcome. What I have done which helped is transfer ALL the love that I had for W to my S. Be the BEST DAD you can be. Stay well!!
M51 w50 T-20Yrs M-16Yrs S15- mad at W for not trying and giving up 1 Awesum dog BD 10/31/17 separate rooms 02/08/18 wife moved out 05/17/18