Why the fuck does depression exist? Why does it drain all motivation and energy to do things? Isn’t this a serious liability for survival?

Question

It’s never made sense to me why depression exists. It causes only harm and I honest to god see 0 use for its existence.

In: Biology

Answer 1

Nature loves to experiment. Random variations all over the place, just for the fun of it. Aberrations that are hugely successful or unsuccessful have their appropriate and logical outcomes but non-conclusive stuff just continues to occur haphazardly forever.