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There are more people alive on the planet today than ever before, and they are not going anywhere. In fact, the numbers will continue to increase. They will begin to crowd you and overstep your personal space. It is important to have boundaries and to honor them.
Boundaries can be physical and tangible or emotional and intangible. If you have ever said “I draw the line here,” then you have set a boundary. If you have informed someone that this is your chair (and who hasn’t), you have attempted to set physical boundaries. Fences and locks define physical boundaries. Emotional and mental boundaries are a bit more subtle, but they may be even more important.