system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: When and how did green generally get associated with positiveness, and red as negativeness?
gpt
It's hardwired. Red is the color of blood and bleeding, green is healthy vegetation. On a biological level, we don't want to deal with injury and we do want a healthy fertile landscape where food and shelter can be found. So we instinctively like green and dislike red.