Personally, I favor ambiguous answers to questions like that. Something like...

"I'm not sure, I've been thinking a lot" or "I don't know, let's just see what happens"

So maybe I'm thinking of signing up to be a monk, or maybe I already have a replacement partner in mind. Who knows.

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