Because....
1 Elmo stole my pencil.
2 Big Bird told me not to.
3 I'm cool like that.
4 My pencil started talking to me.
5 My hand got cut off.
6 My dog got her head stuck in a glass.
7 The carpet's too ugly.
8 Kaelyn burned my paper.
9 I don't have a pencil.
10 I don't want to.