Cautiously elated is probably the best term for how I am at this moment.
Had my girlfriend (LoveLeigh) over as well as her husband for the whole weekend, as well as their oldest kids for a night. It was, in short, amazing to be able to spend that much time with a new romantic interest and learn much more about one another, and we didn't try to kill each other. There was a lot of NRE and tension in the air, and it all worked out. Her husband is going to make a good metamor. We got along fantastically and I hope we laid some of his, and her, concerns to rest.
The big lessons learned where that sometimes good things do indeed happen to me and that damn it all if NRE isn't hard to control even when you are aware of it.