Exactly! You have tried to improve the things she complained about, but it won't change the heart of a WW. So, forget her complaints. Focus on how you want to improve yourself as a man. Leave her out of your self improvement project.
At the time I started to change these things I didn't know she was gone to the point of wayward. She was just being distant. I found out about her infatuation with OW1 in late October but kept the changes up. At this point it's been over seven months and it has nothing to do with her.
M 44, W 32 T 10, M 8 D 2 Oct '18: Fantasy affair with OW1 (yes, W) Feb '19: Inseparable from new lesbian BFF Still live together but a lot of tension