Collin is that guy that looks nice but is quite deceiving. You can never be sure what his reaction will be or how he will treat you. When dating a Collin be careful because he will show his good side only to result in breaking your heart.
Girlfriend: Collin is so sweet!
Friend of her: are you kindling! He is so mean! Did you hear what he called girl3!!?!!
Girlfriend: now really he is so nice.
Friend of her: you only think that because you are dating him! Just a while ago before you were dating you thought he was a dick!