"You do? I think it's fine. It's not an ugly cup once you can add some color to it. Or make some more for me." He'll figure out how to use her cups later. Maybe make tea and drink out of them?

"Sure, you can watch." It's going to be a long process of him wearing protective gear, heating up the glass, blowing into the hot glass through a tube so that the glass is taking shape. By the looks of it, he makes another simple vase with color. It's dangerous since glass blowing require using fire.

Which...using fire, Leanne should keep a fair distance.