This book is fun fun fun 
 A John Green book that doesn't make me cry? Why thank you An abundance of Katherines for not tearing my heart into pieces and stomping on them like looking for Alaska of TFIOS. 
 This is your basic John Green: nerd guy, girl and fun best friend but like all his other books it's fantabulous, his characters have such different personalities that it doesn't feel like they are the same in every book even if they are basically the same 3 types of people. 
 Colin our main guy is a prodigy that has dated way to many K-A-T-H-E-R-I-N-E-S no Kats, or Katies or Katrinas I was beginning to think he had a tattoo of the name so he need girls to match it :) his view on the world is that of an insecure teenager just wanting to matter but not knowing how to make himself matter. 
 There is a lot of funny facts in this book that come from Colin being a prodigy and the footnotes made the book, it's something different and fun. 
 Also the ending the realizations and the friendship was plain up lifting and left me with a grin :) 
 4.5/5 stars to you rejig, ole henchman