I happen to be very good with younger actors because I have extremely vivid memories of that time of my life, and kids are just funny.
If you are any kind of writer at all, you are in all of your writings.
After 'Radio Flyer,' to this day, every family-oriented script or script with kid actors comes across my desk. That's just Hollywood: you get pigeonholed, and it's both a blessing and a curse, but you live with it.
You have to be very flexible and understand as a director, especially as a writer/director, that you cannot hang onto stuff really hard. You have to be ready to accept those happy accidents and to anticipate that they are going to happen and capitalize on them.