He blinks in surprise. Kevin wants to help. Kevin's going to help, of course he is, he's Kevin.

He gives a little surprised laugh. Which then stretches on into a warm and grateful smile. It's as good as any spoken 'thank you' could make to be.

It's good enough he can maybe pick that paint up proper.

Dipping his fingers in, gathering just enough color. Maroon, he decides on. Kevin would be good all maroon. And so on the wall, he spreads the first proper bit of color.