SUBWAY AU BON PAIN

Question

HI RABBI,IN AUGUST YOU TOLD A WOMEN THAT SHE CAN EAT SUBWAY OR ABP TUNA .MY QUESTION IS YOU SAID MAKE SURE THE VEGGIES ARE CLEAN .RECENTLY YOU WROTE YOU CANT USE LETTUCE TO JOE.NOW THE WAY YOU ANSWERED THE FIRST TIME NO ONE KNOWS THAT YOU HOLD YOU CANT HAVE LETTUCE .MANY OF MY FRIENDS STARTED EATING AT SUBWAY AFTER THAT TESHUVA. A)CAN YOU HAVE LETTUCE & B)WOULDNT IT BE BETTER IF WE WOULNT GO TO SUCH A PLACE WHERE PEOPLE MIGHT SEE US AND GET THE WRONG IDEA.MAYBE IF THE RABBI TOLD US NOT TO EAT THAT TUNA AT ALL PEOPLE WOULD NOY GO THEN WE WOULDNT HAVE TO WORRY IF THE PEOPLE EATING OR PEOPLE SEEING WILL MAKE A MISTAKE GOOD SHABBOS SHANA TOVA