***Disclaimer: This video is for entertainment purposes only and not intended to offend anyone. *** <br /> <br />Are girls evil or are they absolutely TOO evil? This video will help to guide you through a simple mathematical proof that "girls = evil" , "girls = too evil" and even "girls = absolutely too evil". <br /> <br />As well as being a fun proof, this video also helps to show how substitution is often used in maths. This is a common maths joke anyone can use to entertain their friends. <br /> <br />If you liked this video, please LIKE and SUBSCRIBE for more fun maths related videos.