You believe your H is depressed ... what symptoms have you observed? Has he told you he is depressed?

If he is clinically depressed, there is probably little you can do until/unless he seeks help for his condition, I'm sorry to say.

Me: 50, MLC/WW 45
Young kids
Nov 2015: BD1
Apr 2016: BD2
Jan 2017: W filed
Feb 2017: D final