I know I've posted this story before. Its a fairly tight schedule, especially when he's "sick" and they want us to do the breathing treatments and airway clearance 3-4 times a day vs. the standard 2. We've been doing it 3 times a day since October, going up to 4 or more when he is really sick and not breathing well. We're hoping that with the end of the cold and flu season approaching that we'll be able to get back to 2 times a day. I don't know what we'll do with all of our free time!
So that, in my opinion is why Drew is not physically at the same level as Lily is. During all of that time that he is stuck sitting here hooked up to all of these machines, Lily is crawling and walking and climbing and playing with everything under the sun. He'll get there, I know he will. But right now, its kind of nice that I always know that I'll find him right where I left him :)