Imagine one person sympathetically puts their hand on another person's shoulder to console them over a loss.
Well, realistically, the shirt and skin of that person is going to deform. But, how do you make that happen in blender realistically? Is there a video on how to animate skin so it deforms realistically?
Maybe with Shape Keys.
Here's a Course: https://cgcookie.com/courses/shape-add-shape-keys-to-your-rigging-toolbox-in-blender