Select now the
Ellipse Tool (U) for picturing a small circle:
Fill 0% 
The layer’s parameters:
Blending Options>Gradient Overlay 
Gradient’s parameters:
Make many copies of the last made circle and select the
Free Transform option to place the copies as it is indicated below. The coming outside the circles’ contours may be erased with the
Eraser Tool (E).
For our convenience, we have to combine in a group all the layers composing the circles (hold on
Ctrl button to mark out the corresponding layers and keep pressed the left mouse’s button while taking the marked layers on
Create a new group option). Using the same instrument we have used when representing the heart’s silhouette, try to make a highlight on the heart’s figure. Make some corrections on the heart’s shape with the
Convert Point Tool.
Fill 0%
The layer’s parameters:
Blending Options>Gradient Overlay 
Gradient’s parameters: 
Using the
Pen Tool (P), it’s possible to represent another highlight on the heart, which shape may be corrected with the
Convert Point Tool.
Fill 0%
The layer’s parameters:
Blending Options>Gradient Overlay 
Gradient’s parameters: 
