
She's developed this really cute habit of saying "Uhmmmm" and looking up in the air to let you know she's thinking about something. As in:
Brian: "OK, let's eat some cereal. You want me to pour you some O's?."
Erin: "No! Erin pick!"
Brian: "Yeah, go for it."
Erin: "Uhmmm... this one. No... aaahhmm... *this* one."