Iphone screen

A lot of people who have broken phone screens and still use them aren't because they're cheap, it's because they will just break their replacement anyway. Some people are just habitual phone killers. 

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When logic and science aren't on your side, you always lose.

I thought it was a cool detail to incorporate. Certain types of people seem to have (and continue to use) phones with a broken screen. Not a bad thing... just an interesting quirk. :)