Twin time

"Let's be twins," she replied, "You can't swap with me, but that just means we can't swap lives - doesn't stop you changing yourself to be a goth girl...or me to be an average guy...whichever you prefer." I chewed my lip thoughtfully. Could I actually go through with it? Did I really want to be a goth girl for the rest of my life? Or what about essentially having a duplicate me running around? I took a deep breath and let it out slowly, deciding which one to pick...