Have you ever just gotten lost in how the light is hitting a glass on the table? You're looking at the edges, noticing how they get lost against the tablecloth and then sharpen up against the vase in the background.
You're mixing colors in your head. Trying to figure out if that is a cool yellow or a warm green,
You feel a cold stare. Your girlfriend is glaring at you.
"Have you heard anything I just said?"
No. No, you haven't. Not one word. But you're certain now that it is a warm green reflection in the glass. It's not yellow.
The least you can do is warn people.
You need this T-shirt. Or maybe the hoodie. It's a little chilly out.