Spike thinks you should live together as a coupe before getting married to help you become more compatible with each other. Spike remembers finding long hairs EVERYWHERE when he first lived with Kris. On his toothbrush, clothes, EVERYWHERE. Also, how many times you yell "WHAT?!" from the next room instead of actually walking over to talk to them. And the worst of them all, fighting over the temperature in the house.
What did you find out about your significant other when you moved in with them?