[childish wasn't a good word to use to describe him

and yet it was the best word at the time]

I was teasin' you for your lack of know-how and all, but I'll tell you what. Get that puppy back on his feet and growin' well and you can decide that yourself. [because to him, being an adult means taking care of what you need to take care of even if you gotta lay off some things you want]