I’m a big fan of black, white and grey. And I do wear a lot of monochrome outfits. My favorite is the “all black errrthang” look. But wearing an all black outfit is a little difficult for some people, because it can look “dark and sad” very quickly (.
One thing at a time. Know the problem. Learn to listen. Learn to ask. Distinguish sense from nonsense. Accept change as inevitable. Say it simple. Be calme. How to work better, ten simple things that make a huge difference.