So now that you asked her don't bring it up again. If she does, just politely refuse. (that'll get her thinking!) You want her to think you're doing fine without her. Eventually, you actually will be, and she might come back.

Think long term here. You just entered a marathon.

M: A really long time.
Crisis: 5 years.
She's still worth it.

Life is never made unbearable by circumstances, but only by lack of meaning and purpose. -Viktor Frankl