You don't have to answer every single call. I carry my phone all the time but I don't answer calls from unknown numbers. A lot of times I don't answer calls f

You don't have to answer every single call. I carry my phone all the time but I don't answer calls from unknown numbers. A lot of times I don't answer calls from friends either. They know I'll get back to them when I feel like it. Nobody has ever gotten their feelings hurt because of it.