holden's hair is like mine

I shook my head. I shake my head quite a lot. "Boy!" I said. I also say "Boy!" quite a lot. Partly because I have a lousy vocabulary and partly because I act quite young for my age sometimes. I was sixteen then, and I'm seventeen now, and sometimes I act like I'm about thirteen. It's really ironical, because I'm six foot two and a half and I have gray hair. I really do. The one side of my head--the right side--is full of millions of gray hairs. I've had them ever since I was a kid. And yet I still act sometimes like I was only about twelve