Problem solving is asking until you find the real problem, and making the best solution with what you have.

Ask yourself if what you make solves a problem for you.

Ask yourself if you would use the solution to the problem that you're solving.

Ask yourself if what you make solves an existing problem, a new problem, or an invented problem.

Ask others if what you make solves a problem for them.

Observe people when they use what you make.

Listen to people who comment on what you make.

Really observe and listen to people who are angry and frustrated with solutions to their problems.