Criminal Minds is full of fan-favorite characters whose stories become more complicated and layered as the show dives deeper into the troubled minds of serial killers. While many viewers are instantly attracted to Spencer Reid's intelligence and good looks, his character starts catching hearts when the character reveals a more vulnerable side of himself Reid struggled with drug addictions and Ptsd.

As a profiler in the Bau, it's almost impossible to not have a "bad moment" once in a while. However, Reid's problem goes deeper than that. His addiction opens the door to the character's past and gives viewers a more personal look at what lies beyond his excellence and likable personality. It makes Spencer Reid more relatable. However, the storyline is very soon abandoned by the show never to be revisited.

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