To a certain extent, as you think you shall become. Every athlete or military person is familiar with some form of "what the mind can conceive the body can achieve" or "don't quit" drilled into their heads during training. This is why it may surprise you when you find yourself doing things you didn't think was possible for you to do.
And then the rabbit hole may go deeper into the power of manifestation, faith healing, Magick, hypnosis, or whatever it is you believe in it's similar.
Point is, it's important to be grateful and to think positive thoughts as much as you possibly can. And before you know it, you'd wonder how you got to a better place in life. 
