It is a very healthy thing to do. The simplest forms are getting a clicker and pushing it, every time you have a negative/self defeating thought, the other woul

It is a very healthy thing to do. The simplest forms are getting a clicker and pushing it, every time you have a negative/self defeating thought, the other would be to put a rubber band around your wrist and let it snap every time you have one. Both approaches usually show a decrease in negativity against oneself, just by making those self deceating thoughts conscious.