Introduction: 

In this book, I will tell you why you are so special to me....  (introduce you person and explain your  relationship to the person)

 Early Memories:

One of my favorite memories with you is when we [insert memory]...

Qualities I Admire:  

I admire you because you are [adjective]. You show this when you [example]....

Shared Interests:

We both enjoy [activity], and it's one of the things I love doing with you.