Knowledge is a hidden stat, meaning you can't see it.

Knowledge is a measurement of how well you know a person and when reaching certain values it allows you to see additional traits in the Relationship browser.

Currently known about the system is that:

  • At 30 knowledge you can see if a female is a virgin or not
  • At 95 knowledge you can see if a male is an impregnator
  • It's currently impossible to get to 95 knowledge without the use of cheats