[Ah yes, he'd forgotten about Teddy's silly phobia. Billy gives his hand another squeeze, watching his foot play through the water, the little lights flickering around their toes. It's sort of like controlling the path of a shooting star, and he can't help but smile at Teddy's expression.]

Maybe you just like things that glow blue.

[He tone is playful and light, definitely pleased that his plan worked out.]

This is the last surprise, by the way. Whatever you want to do from here on, I'm all yours.