at some point she may actually begin to lean more heavily on the OM to meet the needs you are no longer meeting for her. This may feel like she has stopped pursuing you and feel like a negative thing but it is usually the beginning of the end of the relationship with OM and a necessary phase.
Well...that's one he11 of a strategy, ED. Drive her into another man's arms and hope he F's it up. That's the best I can do?
