the opposite of a favor

Yesterday I ordered an apricot tart at the tea house, and the tea lady insisted I eat it warm.

I said, "That's OK. I'll take it as is. I'm actually not a big warm-up-a-pastry person." She said, "Oh, but it will be so good." I relented. FIFTEEN MINUTES LATER, when the apricot tart finally arrived -- warm, yay -- I'd already finished the tea I'd chosen to accompany it.

Thank you tea lady for doing me the opposite of a favor.