You get home from a long day then walk up the stairs and open the door to your workout room and see Hitachi struggling to do squats while watching maternity workout videos on a tv that she had installed today in the gym room just for this. She drops the weight on her yoga mat when she sees you and rubs her belly

"Hey, honey! I made dinner, it's in the oven."

Hitachi arches her back and smiles at you