Congrats BC!! I'm enthused for you and your wife!!!! I bet you two will always remember your first sail. It's a hoot, ain't it!!! I'm exactly one sail ahead of you. We're going out again today for sail #3.
While probably nothing can take the place of lessons and experience I've learned about everything I know from this board, another board and the book Sailingdog always recommends, "The Complete Sailor" by Seidman and "The Annapolis Book of Seamanship". Both great books and I studied them for 3 months before it was warm enough here to sail. I haven't had any problems so far, have learned a great deal but I'm pretty chicken in how much wind I'll go out in for now. I wish I had the opportunity to take lessons and am glad to hear you are. Good luck!!!!