A universal law that states "Without your sacrifice and actions of the past, the present would have turned out much worse."
Joe: I got stuck in traffic today. I wish I would have made that earlier left turn, I could have been 20 minutes earlier!
Will: Yeah, but if you did go left, you probably would have been 30 minutes late. Will's Law means that you would have come out worse doing what you thought could have been better.
Joe: You're probably right, no sense dwelling on the past.
Someone who has no inherent personality, but will act similarly to others around them to try and fit in. In acting in this manner, the person will be a try-hard about it, annoying those around them who have previous knowledge of them and making themselves look like a fool
Scarlett made a fool of herself at dinner by being a hiptwit with her friend; they looked like complete idiots.