Parent was originally dismissing the complexity of the situation mentally and emotionally by insisting that there's just a simple biochemical thing that needs t

Parent was originally dismissing the complexity of the situation mentally and emotionally by insisting that there's just a simple biochemical thing that needs to be changed, like adding more gasoline or oil to a car engine to make it run longer. The reality is way more complex than that. Change is really fucking hard and there's no silver bullet solution.