Henry, back between 4 and 5 months
My boys are so different. I am sure this is a pretty universal experience with siblings but it still surprises me. I was looking back at a post from Henry at almost-5 months (Elliot's current age) and I couldn't change his diaper because he'd roll over everytime I tried. Elliot seems to care less about rolling over. He's just like, Hey man...just chillax. No hurry. No worries. Henry was more like Eeeeeeeeeh gotta go, gotta go, gotta go right now!