My Best Friends Brother

My name is Hayden. My life is pretty average. Obviously I have a best friend, his name is Luke. Luke is so sweet (I had a crush on him) and his brother ,Peyton, is so cute and of course sweet. He also has a way to make me so happy no matter what is going on in my life. I've always had a little crush on Peyton but I'm to scared to tell him. If I do what will happen? Will he think of me as some little kid?