Please don't invent a debt that does not exist, or next you will be trying to feel gratitude - and that is the treacherous first step toward complete moral degradation.
Robert A. HeinleinLearn to say Noโand to be rude about it when necessary. Otherwise you will not have time to carry out your duty, or to do your own work, and certainly no time for love and happiness. The termites will nibble away your life and leave none of it for you.
Robert A. Heinlein