Don't allow anything to hold you back or limit your creativity. No matter how big the problem may be, if you have the will there is a way. Yes you can always find a reason or an excuse to disrupt your course. However shift your perspective and figure out why those issues arose. Find a solution to keep them from happening again. It is never unreasonable to expect the best of yourself. For the greatest achievements are reached when you have a real and meaningful reason to reach them.