Fiyero downs his water as well, a little slower, his hair sticking slightly to his sweaty forehead (yet somehow still looking perfect) as he leans his head back, his Adam's apple bobbing. Letting out a loud, satisfied sigh as he finishes. He probably looks like a water commercial.

"Probably more fun too, huh?" he agrees, brightly grinning right back. Anything named 'hero training' was probably a bit more serious. "I get bored with too serious workout stuff. I want my exercise to be fun."

The innuendo is unintended. But he obviously doesn't have trouble keeping in shape.