WEED IN PUERTO VALLARTA FOR DUMMIES

I realize that This can be a taboo issue but I just planned to know. I am likely to PV for the holiday of enjoyment and relaxation, but I actually don't want any problems either. If by chance even though I am in PV and a person walks nearly me as they constantly do, and question if I would like some pot or weed(or whatever they may phone it) If a p