If a person studies too much and exhausts his reflective powers he will be confused and will not be able to apprehend even that which had been within the power of his apprehension. For the powers of the body are all alike in this respect.
I just go where my heart tells me where my gut tells me to go where I'm enjoying my life the most where I feel like I can have the most success. I've truly enjoyed my experience in NASCAR to the point that I want to do it full time.