If you always put limits on everything you do, physical or anything else, it will spread into your work and into your life. There are no limits. There are only plateaus, and you must not stay there, you must go beyond them.
The above quotation (does anyone know its author, without having to google it?) is CrossFit in a nutshell. There are no limits here, no can’t, only not yet and I will. ‘Not yet’ and ‘I will’ are a wonderful viewpoints to possess. They are full of potential and ability. As you continue to do in the gym what you never thought you could, you will eventually take that mindset out into your life and everything will be ‘not yet’ and ‘I will’. The limits you impose on yourself may have their origins in school or parents or relationships or anything, but ultimately only you can accept them or fight against them. Reaching the top of the rope, or getting a muscle up or a pullup or any one of the many milestones in CrossFit, may seem trivial against the larger backdrop of your life, but from small seeds mighty things emerge. Collect enough of these small seeds and truly you will be a different person. One without the limits and can’ts that used to weigh upon you. I have seen it over and over again.
Train hard. Be persistent. Believe in yourself.