Nothing says "I love you" like getting your true love's name emblazoned across your body. Using "smart permanent" tattoo ink says "I kind of love you, for now atleast," and is a much safer option.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.