Tea Remnants Left Behind

My friend Michelle wrote about this once upon a time and while this isn't the first time the sink has looked like this, it has been looking like this consistently since the husband switched from coffee to tea. I know it's only a matter of time before he goes back to being a coffee drinker. And I'm actually looking forward to that based on what he leaves behind when he goes to work each morning:

PS- I promise you that's tea.