Well, he enjoyed her company, was that so wrong? He wanted to keep spending time with her.

Which is exactly why he convinces the cooks in the mess to make him a sandwich lunch the next day, and why she'll find him climbing up to settle precariously on her shoulder, leaning against the gentle curve of her helmet.

"I'd offer you some of my lunch" he says in response to her chirping, charmed despite himself. "But I don't think you'd like it."