Step 1: Prepare a piece of red square paper, as shown in the figure.

Step 2: Fold in half once along the diagonal of the square, as shown in the figure.

Step 3: Fold the vertex of the triangle to the bottom once, as shown in the figure.

Step 4: Fold the triangle on the left down and the triangle on the right down, as shown in the figure.

Step 5: After step 4, turn it over and open the triangle on it into a square with the same left and right sides, as shown in the figure.

Step 6: Adjust the end, deal with the four corners of love, and move inward to make the shape of love softer, as shown in the figure.