Piano I don't see anything wrong with you getting p'o'd and sending that email. There are no setbacks- he is with OW. He has to end it with OW- this is so hard for us to see but we can't do anything to end their affair, only make it more difficult to stay in the A if that makes sense...a vet could explain it better.
I am not going to tell you not to think about WH because like I said before, that is just ridiculous--of course you will. Have you signed on to a baby online group like babycenter.com or thenest.com? It helped to occupy my time in addition to an infidelity forum website...
me,34 exH,34 S,16 months S:3/31/09-left for OW started DBing 10/09 d final: sometime 10/10 current: http://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2022856&page=1 met in 2004