Well, if your teen daughter will say that to you then it REALLY has to be true!
Having an upbeat personality is a gift. And it is something that everyone around you enjoys.
I have some friends who for years have called me "Positive Barb". The husband lost his job today. A job he has had FOREVER (he is an investment banker). I messaged both him and his wife how sorry I was and made a few comments about thoughts for the future. Both of them messaged back calling me "Positive Barb" and told me they like some of my ideas. That made me feel good because I wondered what I could possibly say that would make a difference. I'm glad I said SOMETHING!
I guess we'll have to start calling you "Positive Whatisis".
