He feels like he's floating as he remembered your conversation with him earlier. He wanted to tell you what he's feeling but he can't figure out what words to use—as is there's something stuck in his throat.

You got him all under your influence. He may act as if he doesn't care but he surely is going insane deep inside whenever you talk to him. Your mere presence is making him fall deeper and deeper. You're his everything. All he could do is write poems about you, make artworks about you.