Sunk Cost Fallacy

This is phenomenon whereby a person is reluctant to abandon a strategy or course of action because they have invested heavily in it, even when it is clear that abandonment would be more beneficial.

Wow this is basically Attachment.

In for a penny, in for a pound!

Some examples that apply

  • “Oh, I stopped going to the gym, i lost all my gains, there’s no point in going back now”
  • “We’ve already been together for so long, only choice is to stick”
  • “I’ve already been lazy for the past 4 hours, my day is already ruined, so it’s ok to keep being lazy”