We ran into this little article, "5 Things That a Playground Can Teach Us About Relationships," by an everyday blogger. It’s clear, simple, and accurate. Kind of cute, right? We especially like number three:

Free to begin, free to leave?
There’s no planning, no exchange of business cards, no tearful goodbyes (well, only when you have to actually leave the playground). Kids live in the moment. They’re single-mindedly focused on swinging higher, sliding faster, climbing farther. When a friend leaves, another friend may enter.

To click here [1] to check out the rest, and play nice!