The first line: G (randma) I W(as) T(he) C(lass) L(eader)
2nd line: (using most of the letters from the first line) G(randma) I W(ant) T(ransformers) B(irthday) W(hen) I M F(ive)
We have to hide the bathroom stools because he is constantly trying to use one to reach for something that he's not supposed to have! One day I'll be glad that he's so independant right????