Hon, remember that WASs leave for many more of their own reasons that what we do or don't do. You've been at this a long time, you've learned, grown, and changed. You have a solid idea of what you want and how to ask for and meet others' needs. Don't start off with such a negative self-image!
Its ok to be nervous, but he sounds like someone that you can TALK to about those feelings--just keep talking.
what you would require out of a R. I think there is a thread just started by SG--what next?
Even what you are still working on--how boring would we be if we were perfect?
And ask your kids! They know that you are worth it, worth someone trying really hard for, working to impress you, grow with you, etc.
We've all been willing to sell ourselves short while we were trying to save a past M...don't start off another R in the same position. I've read that in a broad sense, men tend to value respect above love....and they respect someone who knows what they want.