eat one for the team
You eat so your partner doesn't look like they just got dragged through a buffet.
She took the whole pizza. I took the last piece so I wouldn’t have to see her turn into a pizza box.
He ate the whole burger. I took the last bite so I wouldn’t have to watch him die.
She ate the whole cake. I took the last piece so I wouldn’t have to see her turn into a dessert.