What should I write in my crush's yearbook?

So I totally love thus guy and the end of the year is quickly approaching... Which means one thing, yearbooks. He's already said hey ang you've gotta sign my yearbook but it was in a passing period and I just haven't done it yet. Were in the same lunch and Spanish class, how should I bring it up that I wanna swap yearbooks and then once I get it what do I write? Help!
What should I write in my crush's yearbook?
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