Analysis

I personally really enjoy the act of learning new information, especially if it's useful in everyday life. One interesting source of information happens to be interrogation analyses. There you'll be able to learn a lot about human behavior under stress and also a wide variety of methods the interrogators use to "manipulate" the interrogee into giving themselves away.

The increase in analytical abilities is definitely useful in many scenarios.

Ps: Don't do obvious self censorships (for example replacing an "S" with a 5). I've seen many comments that seem to be deleted due to those reasons. Always add random spaces in those words that might trigger an automatic deletion. For example: Ch 1 n @