my baby boy, bless his little heart, is a chunky monkey lol he's breastfed and he chugs for like 30…

my baby boy, bless his little heart, is a chunky monkey lol he's breastfed and he chugs for like 30 mins straight falls asleep for 10 mins then wakes up and chugs again for another 40 minutes and this is like every 2 hours if that lol he's already gained a pound and 2 oz from his last doctors visit lol anyone else?