My family would do this! except we do the cheek to cheek kiss rather than shake hands hahahah (we also greet each other that way before we leave the house, and also once we get back home. of course this was before the pandemic)
Bruh this author must be really creative to create a certain interaction thats unique to their married characters, compared to other authors who just throw in hundreds of cliches to make more filler chps for their shit marriage manga😂
Ahh, this explains why in the body pillow chapter, I saw someone comment about them shaking hands. Which I also noticed while reading it. It all makes sense now.