What's a small, silly thing you and your partner like to do?
Using my husband and me for an example, when one of us is going to the grocery store, the other person often adds something like "Love!" and "More love!" to the grocery shopping list.
While driving in the car around town, we try to get the other of us to look a dog pooping, if we see it first. Married 25 years and I honestly don’t know why we started… sure it’s childish, but maybe a contributing factor in our long marriage! 😂