Supposedly, what's between the bread can foretell how long you and a partner will stay between the sheets. For the record, bologna isn't one of the options; neither is grilled cheese.
For the article, go here: http://www.chicagotribune.com/entertainment/dining/chi-tc-food-diners-0717-0723jul23,0,7257304.column
For the personality traits that go with the sandwiches, go here: http://www.chicagotribune.com/entertainment/dining/chi-090723-sandwich-pictures,0,1652565.photogallery
I'm a Libra/club; he's a Saggitarius/BLT; 21 years.