Image via WikipediaI have finally discovered the secret to happiness after many grueling years. If you want to be happy just get a good pair of headphones. It solves almost any problem.
Also, a safe response to almost any question is "I don't know". You can vary your intonation of voice when saying this to deal with an extended conversation if needed.
Most problems are self-resolving so the above two methods will save a lot of time by eliminating unneeded effort. You can then concentrate on taking care of real problems.