I agree with Hankster and everyone else, be yourself and a gentleman. Maybe discuss the first date with her and see what she has in mind. I think all day is too long also. Don't be a skinflint or should I say CHEAP! lol! I haven't heard that term used in a long time. I don't think the younger USA generation knows what that is. As for the height issue, I would just wear your regular shoes. Best of luck to you!