What should I call my father-in-law if I don't want to call my father when I eat?

You can call dad, dad, if you want to be a rude person, you can call him dad, the grandfather of the child, and call someone else, which will hurt your feelings. In fact, everything needs courage to adapt. If you are grateful to him for bringing you a lifelong lover, his son and your husband. As long as you have this idea in mind and call him again, you won't have this strange embarrassment.