I used to have a few 35mm systems with many lenses, a couple MF systems with lenses and a 4x5 system with 4 lenses....I sold it all and bought a Leica and a couple lenses and Mamiya 6 with a few lenses....best decision I've ever made. When I got out and shoot, I just take what I'm familiar with -no muss, no fuss. I found this works for me and I just hammer it day after day.
I know your style and we're very different, so I do mostly street/documentary work and used one camera, 2 lenses for 90% of my stuff. So, my opinion might be way off.