Hopper

: This trauma led to a failed marriage and a period of addiction, explaining his initially cynical and "furious" protectiveness over Eleven.

: In a poignant letter to Eleven, Hopper describes being stuck in a "deep, dark cave" of emotion. He reflects on the necessity of "the hurt," noting that feeling pain is a sign of finally being out of that metaphorical cave. hopper

Is nobody talking about Hopper's backstory? : r/StrangerThings : This trauma led to a failed marriage