My good bye. (cancer)

I have a secret,
I need to tell you, but I don't know how.
I wish you didn't need to know,
But I should tell you now.

I am dyeing, very slowly.
I wish that it weren't true,
But I'm dyeing slowly,
I am going to leave you.

You are my best friend,
You have been good to me,
But now I'm leaving you,
It's the way things have to be.

Please don't cry when it happens,
That's not the way to say goodbye,
I don't want you to be too upset,
Don't let a tear fall from your eye.

We have stuck with each other,
Through thick and thin,
This is a losing battle,
But I'll try not to give in.

I'm getting tired now,
This pain hurts me so,
I can feel it's almost time,
You'll have to let me go.

Remember not to cry!
This won't be the end,
As long as you don't forget me.
Good bye, my good friend.