He can be cool, but only at attainable levels! Keep his expectations realistic!

At least he's over it once they go for the book. Leo looks at the one he points to, and... geez, that's a big boy.

"This one? Think you can even read all this?"

It's said good-naturedly, as he reaches to pull it down. Woof, it's heavy. Holding it with one hand while cradling Donnie with the other almost throws him off balance, but he manages.