There are some people who say you should always try to have a positive attitude but I never believed them. But then I tried it and it's the most wonderful thing to have.
By having a positive attitude all the time, you will make so many people upset with you that it'll make you laugh till you pee.
("What's she grinning about now? Stupid woman. Silliest thing I've ever seen! I'd sure like to wipe that big smile off her face!")