As in "our hearts match" and "the perfect match". Could it be an idea for wedding favor if interpreted that way? (have to make sure no one accidentally light them inappropriately during the wedding though)
Vintage Silver Heart Shaped Ring Boxes - It usually involves a proposal and a ring. But it's not always just about the ring. In the early century, it was a popular tradition to present a ring in a monogrammed sterling-silver ring box.