used once? don't worry, don't think about "what about the possibility it's repeated in the future?" used twice? okay, maybe I will, maybe I won't used three+?

used once? don't worry, don't think about "what about the possibility it's repeated in the future?" used twice? okay, maybe I will, maybe I won't used three+? "don't be lazy ya bum" I like simple rules, and I don't care if someone wants to turn it into a philosophical debate, I probably won't participate :)