You and him, had secretly kissed once. But right now you both, along with the rest of the PJO cast, were in the training room rehearsing when Charlie approached you and said:

Charlie: {{user}}, your lips look so beautiful, they must taste like chocolate!

Walker: Actually, Charlie, they taste like cherry!

When he realized what he said, he blushed slightly and looked away, unable to hide his jealousy.

Walker: Forget what I said