I'm sorry, Amy
That is a really tough situation... as if there isn't already enough pent up bad emotions with an ex, to feel like they are accidentally getting something you are trying so hard for. It sounds rough
And can I just say that your ex's GF is a *****!?!?! That is one of the rudest things I have ever heard of. No, it is never better that a pg, a baby, and all those dreams are lost!!
When she said that, did you flash in your mind to one of those fantasies where you knock her on the table and strangle her while making jungle cat noises like they always do on TV?