https://www.youtube.com/watch?v=6o1tGuc8fYo

This video covers the side-bar material: Briffaults Law. It is intended to be a very brief overview. I have also included many other posts from this subreddit, including /u/Whisper and /u/redpillschool.

The primary takeaway is remember, all relationships are transactional. You are looking to see what you can get out of the other person, and they are looking to see what they can get out of you. When it is no longer beneficial for either party and the future seems to no longer be beneficial, that is when the relationship will cease to end.