How often do you use Vulcan tips like these to check for kryptonite.
Never:  Never use it: 
Try:  Might try it.
Use:  Use it as needed
Tell: Tell it to people who need it

Solving a subgoal.   Why do I need to solve this problem? 

Missing options.  Where else could I look for options?

Checking authority.  Who has authority here?  What does authority say?  Do I care?

Solving a symptom.  What problem could I solve to make this one go away?

Insufficient Data.  What do I still need to know?  Where could I look?

Unspeakable assumptions. What assumptions am I not speaking?

Reality deafness.  What is Reality saying about this?