Answer:
I love spinach.
David's father has three sons: Snap Crackle and ?
You turn me over after you have traveled far. What am I?
What goes up and down stairs without moving?
You write on me and secrets I can keep. In places never seen. I spin like a top. Though stiff as a board I'm often described like a mop.
A little house full of meat, no door to go in and eat.