"Why Saying Is Believing — The Science Of Self-Talk"

"It's clear that we all have an internal representation of our own bodies, Coslett says. We need that very specific sense of ourselves to understand how much space we take up — so we can walk and not bump into things, or perform simple tasks, like reaching out a hand and picking up a coffee cup. Studies show that this internal sense of oneself is a powerful thing. Research on what neurologists call motor imagery indicates that the same neurological networks are used both to imagine movement, and to actually move"

http://www.npr.org/blogs/health/2014/10/07/353292408/why-saying-is-believing-the-science-of-self-talk

This is useful - talking to yourself in the third person. Try it!