What are some effective ways for guys to enjoy solitude and have a good time on their own?

When you look around your world hearing the thoughts, and reading the words of other people, do you wonder how many have ever read the Constitution, how many know history beyond what they learned in K-12, or how many people just mimic their peers?
What do earthquake survivors at the brink of rescue typically go through emotionally and mentally?
How do you decide which parts of your relationship stay strictly between the two of you?