When going for what you want there are bound to be set backs and people that let you down. But this is a given and just a part of the process.
It is how you handle these situations that shows a true test of character. Do not be angry or question why, simply move forward and look for your next step. If you want to get ahead then stop looking behind you.
Know who you are and where you want to go. Have conviction and press on because the universe has something even better in store for you!