Start to fold to the bottom of the paper to the top of the paper and crease the fold.  Then undo this fold.

Fold the right side of the paper to the left side of the paper and crease the fold.  Then undo this fold.  You should have a crease cross shape on your paper from these folds

Fold the bottom of the paper to the center fold and crease this folder.  Flip the paper over.

Fold the bottom right corner of the paper to the center crease diagonally.

Fold the bottom left corner of the paper to the center crease diagonally as well.

Fold the bottom and flip the paper over again.  There should be a small triangle pocket visible at the bottom of your paper.

Fold the right side of the paper to the center crease.

Then fold the left side of the paper to the center crease as well.

Fold the top right corner to the center crease diagonally and crease this fold.

Fold the top left corner to the center crease diagonally as well and crease this fold.

Bring the top triangle down and insert it into the bottom triangle pocket gently.

Then flatten the top section of the heart.

Fold the top left corner of the paper in diagonally to the side of the sideways triangle.

Fold the top right corner of the paper in diagonally to the side of the opposite sideways triangle.

Fold the top 2 points of the heart down slightly to finish your origami heart!