[L is heartened that she seems to know what she's doing, because he certainly doesn't.]

You have complete creative control over the project. Please let me know if there's anything you need; there's coffee and coke, so please help yourself if you get thirsty.

[After opening the windows, he returns to his desk and pulls his knees to his chest, hugging them as he watches her begin the mural, deciding that it's probably very good and returning his eyes to his work until she speaks to him, or reaches a point where she can cease painting for the day.