Not so much crazy as inconsiderate but the consistent use of the word "my/mine" when referring to our things.
That "MY money" or "I" paid for that" drove me nuts. I definitely see it as a sign of something NOT good, whenever it happens.
M: 57 H: 60 M: 35 yrs S30,D28,D19 H off to Alaska 2006 Recon 7/07- 8/08 *2016* X = "ALASKA 2.0" GROUND HOG DAY I File D 10/16 OW DIV 2/26/2018 X marries OW 5/2016