stop flirting with my workmate

I don’t flirt with him anymore, I avoid him. I guess I’m sane again.
I stopped. He hasn’t.

This has gone too far. I’m lost.

“But I don’t want to go among mad people,” Alice remarked.
“Oh, you can’t help that,” said the Cat: “we’re all mad here. I’m mad. You’re mad.”
“How do you know I’m mad?” said Alice.
“You must be,” said the Cat, “or you wouldn’t have come here.”