Because, he's the one who broke his marriage vows by having an affair with a co-worker, and he also left you when you were 31 weeks pregnant. Now, I"m not familiar enough with your backstory to know what YOUR contributions to the marital dysfunction were, but it really doesn't matter. My suggestion -- maintaining separate residences, and dating each other -- is really a 2-way street for BOTH of you to demonstrate a new level of emotional maturity and commitment to each other before exposing your daughter to any false hopes.
