Massmouth story slam on the theme:  "Treat."         Treat -- something nice you give to yourself or others.  A delightful surprise.  It's also your behavior towards others, and a doctor's behavior toward patients.  Do you have a "treat" for us?  Boil it down to a 5 minutes and bring it to Club Passim!      Put your name in the hat to tell your true personal story! You may be one of the 10 lucky…