You didn't miss an opportunity. You gave yourself time to let your emotions play out of it. The 72 hour window is a very good thing for you right now. She will give you another opportunity to discuss it if that's what she was doing there. Don't overthink the 72 hour window
Process your emotions


M 37 W 30
S 7
Together 10 years
Married 9 years
BD: 12/12/12(W filed same day)
I moved to apartment 1/11/13
W and S moved to MIL 1/11/13
Peicing: 6/3/13
Reconciled: 7/2013
BD2: 4/20/16
still working on it