Age 3: You're like a tomato. 

Age 7: Chubby and eager and adorable

Age 10: Sleep alone. There are no monsters. 

Age 13: Please just do it. 

Age 14: Bye.

Age 15: Nice to see you! We broke it! Do you trust me? 

Age 16: stay safe

Age 17: Wow, you're so big! I missed you. You've grown. 

Age 18: Love you baby brother! I really do! I'll try for you