There's a fine line between consideration and selfishness.  If you aren't considerate enough, people assume you're self serving.  Even if it's accidental, an actual oversight, it can totally throw off someone's perception of you.  We define common courtesy,  and address the inconsistencies and varied expectations from culture to culture.  Discover more modern courtesies, and why consideration is incredibly important.  Expand your mind and discover new ways to improve your interactions with others.