Select the
Black &White option and the next parameters:
Make a mouse’s click on the layer’s mask on this layer also:
Choose after that the
Lasso Tool (L) to draw a tear contour continuously.
Select the Inverse option for the marked zone:
… and press the next buttons’ combination
Ctrl+Backspace for the picture to get colored, except its edges:
Select now the
Custom Shape Tool (U) - Heart Card.
Place the shape the way it is indicated on the next picture.
Fill 0% on the layers: