Eating Alot

Kia

Is it normal for a 2 month old to nurse every hour still? While I'm at work he eats 4-6 oz. Last time he was at my gmas he only ate 2 bottle (6oz and a 5oz) for the entire 10 hours I was gone and then nursed when I picked him up. Is he just eating more when nursing because I don't make that much at once?