We've all heard the sayings that we tend to prefer a half of a chocolate now over a whole chocolate in a month because we, as wild animals, are constantly seeking for sources. But what's really the evolutionary principle behind this? Isn't it just that we can better imagine a near pleasure?

Btw I came across this when I realized that I actually even prefer less "sweets" in an hour before more in 2 hours.

We've all heard the sayings that we would rather have half of a chocolate right now, than a whole chocolate in a month, because we, as wild animals, are constantly seeking for sources. But what's really the evolutionary principle behind this? Is it just that we are better at imagining a near pleasure?