system
Given the following post, respond as if you're commenting on Reddit:
human
Why does selfdistructive behaviour feel so good?

What's the psychological and scientific explanation for such a behavior? For example, right now, I'm too tired to care and I'm going to curl up in front of the tv and engorge myself with junk food. Why?
gpt
Because resting and eating lots of calories is good for short-term survival.
And for most of our evolutionary history, improved  short-term survival exerted more selection pressure than, say, good health after age 35.