Re: Excessive gas?
If you know you have oversupply, then that's almost surely the cause of the gassiness.
Pooping every 3 days is totally normal at this point. After 6 weeks, a breastfed baby may go as much as a week between poops, and sometimes over a week. When babies poop infrequently, their toots tend to be really stinky, because they're moving past fecal matter that's being digested for longer time periods and isn't smelling quite so fresh.
Coolest thing my big girl said recently: "How can you tell the world is moving when you are standing on it?"
Coolest thing my little girl sang recently: "I love dat one-two pupples!"