My child eats at the same time everyday. If she doesn't then her entire schedule gets messed up and…

My child eats at the same time everyday. If she doesn't then her entire schedule gets messed up and she becomes cranky. Daddy watched her yesterday he doesn't know the exact times to feed her her meals and snacks. Usually I just tell him when she needs to eat and if we are out and about he will buy something. So the entire day yesterday she wouldn't listen to him and was a complete brat because she wasn't feed between the specific times and wasn't given her snacks. He was so upset he texted me while I was at work and said our daughter was broken.