At the stillness, the harder clinging, Henry briefly wonders if he'd said something wrong, if he'd offended or worried him somehow. The question clears things up a bit, and he nearly laughs, shaking his head against him.

"Because I'm in love with you. Geez, I thought it was obvious."

As playful a tone as he could manage, because that was easier than being too sentimental, too emotional. Sincerity was better when it was as flippant as everything else.