According to Richard Epstein, craps is descended from an earlier game known as Hazard, that dates to the Middle Ages. The formal rules for Hazard were established by Montmort early in the 1700s. The origin of the name craps is shrouded in doubt, but it may have come from the English crabs, or from the French Crapeaud (for toad)

You must set goals for both winning and losing. Once your goals are met you must condition yourself to walk away. Trust me on this one; you will never be completely satisfied with your winnings. in winning a little is a much better feeling than losing any amount. Learn to walk-away and remember the casinos will be there whenever you decide to return.