Big question, has anyone on this board actually seen an affair end with a wife who keeps traveling to meet and live with the OM?
Yes, it's quite possible OM1 will kick her to the curb at some point. The question is, will she have lost all respect (and therefore, ATTRACTION, and therefore, LOVE) for you because you didn't take a stronger, more principled stand. And then of course whether or not you've addressed your own issues.
If not, then there's a very high likelihood she'll just run to OM2.