Maybe the "deli isle" quote is a cute reference to the first couple of lines. She's saying that most belief systems teach you to keep everything to yourself ("keep one's goods on one's own shelf"), but if there's something on your shelf ("in the deli isle"--maybe even referring to machismo and meat) that you need to let out (get off the shelf), then it's OK--she'll help you do it.
Maybe the "deli isle" quote is a cute reference to the first couple of lines. She's saying that most belief systems teach you to keep everything to yourself ("keep one's goods on one's own shelf"), but if there's something on your shelf ("in the deli isle"--maybe even referring to machismo and meat) that you need to let out (get off the shelf), then it's OK--she'll help you do it.