Sometimes I get embarrassed if there's a ham beast in front of me in line at the super market. I purposefully stand an obnoxious distance away and angle my body 90 degrees to the side in order to evade any possibility of confusion that we are together.
I'm not proud of myself.
Next time do the right thing, touch every single one of her purchase choices, examine the nutrition facts, scowl at her whenever there is an undesirable item.
Be sure to include the following phrases "are you sure this is a good idea" "do you really need four of those?" "I bet that
tastes good" etc.
If she gives you any sort of uppity empowered female attitude, be sure put a swift halt to that. I recommend carrying a spray bottle filled with water. Give her a squirt or two on the face.... watch how quick that shecuntfatty sassin' gets extinguished.