I try to smile and speak briefly to people I meet. It seems to make both of us feel better, especially if they smile back. For some people, my smile may be the only happiness they experience all day, so I do the best I can.

I know that when I'm down, if someone smiles at me (especially if she' pretty ) then I seem to start feeling better.

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"Sex should be friendly. Otherwise, stick to mechanical toys; it's more sanitary". Lazarus Long in Robert Heinlein's "Time Enough for Love"