This is a hard issue in my opinion. In my sitch, for the last 6 months I have chosen to not "out the affair" my W is having in the hopes of taking the high road and reconciling the marriage. Sadly I have had little success, the A is still ongoing, albeit it more EA now than PA - at least as far as I can tell. To a certain extent I feel like I've merely been an enabler, keeping the dirty little secret to myself and therefore my spouse has had no consequences of her action. That has actually made me feel week. Just my two cents.

S4H