I think you owe it to yourself to come clean, I think you think he is a nice guy, so just say, "you know what, I did have a WLS, it is something personal, and well, other than close friends I guess I really haven't thought about discussing it. A lot of people have negative opinions, or just need to share their opinions. You caught me off guard, and I am a little embarrassed by my reaction and actions. No I can't really enjoy a dinner out yet, but a movie would be wonderful, if you would still like too.