Welcome to our forum.
It sounds like you're experiencing a lot of change in life, which can be disorienting. Polyamory.com is here to make things just a little steadier. Have a look at our threads and learn as much as you can about polyamory. Post any thoughts or questions as they arise.
It will be interesting to see how things develop with your ex; keep us posted; you may even want to post a blog on the Life stories and blogs board
. Regardless, I'm sure you'll be a welcome addition.