Hell, shout obscenities at people in the mall! That's free! Drink a couple beers before church! Embarass him in a way that you can laugh about. Act like a teenager at times. Let your inner child out. Stop taking everything so seriously. Poke and prod your husband, don't treat him like he's fragile and you don't want to break him. Kick his butt somtimes! Get your hands on him.
Look back at what worked in the past. What did work? How did you have fun together?
“No problem can be solved from the same level of consciousness that created it. ” – Albert Einstein
