You forgot having a supportive mate is #1. I’m extremely lucky to have Donna.
Speakers are definitely primary. I feel lucky that I have L-Pads for my tweeters and midranges to adjust them in place in any space rather than trying to adjust the space to the speakers.
Mains are 4 way: 3 horns, 15" woofer; Office is 3 way: restored AR-2ax. I had them in college days, and had forgotten they came with level controls. I like them so much I bought a 2nd pair to restore for my Garage/Shop system. They are 11-1/2 x 13-1/2 x 24, non-vented: fit horizontally on bookshelves very nicely.