3, I totally empathize with you. It [censored]. Next weekend my H is taking my kids on a trip that I planned for a wedding on H's side of the family. It was something I was really looking forward to, and H doesn't want me there.
I don't know, maybe I am grasping at straws, but I do think that H inviting you probably meant something. You said it was an afterthought - maybe he just wasn't sure if you'd want to do. Or he was confused about whether to invite you. Or he just forgot like men do. Or maybe it wasn't an afterthought at all - maybe the plans were not made too far in advance. There are all kinds of possibilities, but in the end, he did invite you. So I think that's something.
I too, ask that question - how did this become my life? I try to remind myself that doesn't help, and that I need to live the life I've been given (and remember the role I played in making it this way), but it is unbearably difficult at times. I am not religious at all but hope that my friends are correct when they say things happen for a reason . . . hopefully one day I will look back at this without all the painful emotions I have now.
Hope your day gets better - hang in there!!
me: 44 XH: 42 M 11 years D10 and S8 Bomb drop 9/27/13 D final 7/1/14