Nina and Liz are having a conv…

Nina and Liz are having a conversation during there lunch break. Nina asks, ?So, Liz, how?s your sex life these days?? Liz replies, ?Oh, you know. It?s the usual, Social Security kind.? ?Social Security?? Nina asked quizzically. ?Yeah, you get a little each month, but it?s not enough to live on.?