Try walking past a stand selling phuchka (or panipuri,gup chup, gol gappa or pani patase, whichever name you are familiar with ) and try resisting the urge to have at least 5 or 10 of them. I call them phuchka, as of course if you are there in Kolkata you will not think of any other name.  It is said that the smell of  phuchka triggers your taste buds and then the temptation emerges to gulp them one after the other.