Tl, What would be signs to you that she is working at the M? You said that she is sort of DB. Is she putting an honest effort into improving herself, or going thru the motions? I would think if she truly is working on herself and her issues, than she deserves another chance.
If she has another lapse into old patterns, decide for yourself and let her know what would break the marital contract. If she's not committed to working on herself, that will reveal itself to you, and you will have an easier time making a decision.
CL
CL 53 W 54 M 20 yrs. 03'-09' Separation + Old Patterns + GAL 10-14' Piecing
"The Master allows things to happen. She shapes events as they come."