The smile warms his heart - and he responds to it with a little nod, an equally non-verbal 'you're welcome.'

Without hesitation, Kevin enthusiastically reaches right for the deep red paint, smearing it over his fingertips. Red. He loves red. Red is his favorite color, next to yellow.

But he doesn't want to paint with yellow right now.

Beside his friend, he begins to paint on the wall too - a touch clumsy, but making up for it in pure enthusiasm.