So you both have things you want to say but are holding back. Why not just sit down with her and get it all out? What's the worst that could happen?

You've had some better conversations together recently, I say it's as good of a time as any to make a move and shake things up a little here.

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