You do not have to give your email address out. As a matter of fact, it's best not to. Because I am a moderator, mine is out there. Others use one that is not their real email address. Please do not feel pressed to do so.
You don't need me to tell you that you don't have to participate in the "let's get positive program" either. Another member was just trying to be helpful and willing to spend a lot of their time working up diets for each of us. I think it is very kind, but it may not be for everyone.
I hope you can just put it behind you. You are both great members.