[York waits for a response that never comes.
He doesn't like it.
Okay, he likes the kissing, he just doesn't like that Wash is refusing.
York doesn't want to just be someone that Wash just agrees to kiss when he feels like it. He wants to be someone Wash kisses because he wants to.
So, this current kiss doesn't last long, and soon York is moving away again, once again leaning over to whisper in the other man's ear.]

Be my boyfriend.