I think it's fine to mention what you've been doing, but if you want to save your M, then leave the stuff about "Heather" out of it.

That might show her that you've moved on and don't need her any more.

M-43 W-40
2D - 9 and 5

Emotion, yet peace.
Ignorance, yet knowledge.
Passion, yet serenity.
Chaos, yet harmony.
Death, yet a new life.

RECONCILED AND WISER