I love the fact that my FI sings and raps along to the music on the radio when he's in the kitchen cooking. He has a horrible singing voice, but it's still cute.
He loves the fact that I dance along to the songs on the radio while he's singing or rapping. I'm an even worse dancer, but he still thinks it's cute.
What are the quirky lil' things that you love about your FI and vice versa.