Start with a square sheet of paper
Fold the paper in half horizontally, then unfold
Fold the paper in half vertically, then unfold
Fold the top edge down to the center crease
Fold the bottom edge up to the center crease
Fold the top two corners down diagonally to form a house shape
Fold the bottom two corners up diagonally to meet the center
Fold the left and right sides inward to narrow the shape
Fold the top left and top right edges outward slightly to round the heart
Fold the bottom point upward to shape the heart tip
Press all creases firmly to finish the heart