If you want to really turn heads with your portraits, you might consider giving them a little glow. Yes, this can be done in-camera in radiant backlit or direct window light shooting scenarios, but you can also add an awesome glow to portraits in post-processing. In the below tutorial from f64 Academy, Blake Rudis shows you how.

Photoshop has a number of tools for accomplishing similar tasks, and sometime the approach you take is a matter of personal preference. Other times, however, like in the case of Flow, Fill and Opacity, tools may appear to control the same variables but the differences are worth noting.