Take a square piece of paper to begin. Fold in diagonally in half to form a triangle. You then fold both ends up so that it will form a smaller diamond shape. You then repeat what you just did, but folding two of the ends up again to meet the other side. Fold your piece of paper in half again revealing another smaller triangle. Flip the paper over and unfold the smaller pieces that you folded up to meet the ends. Pull these apart and then fold down in the middle. Bend in the 4 pointy corners that remain and you'll have created a heart.