I would rather do my best trying to achieve my goals and making the most of my time here on earth than to not try and always be left wondering "What if?'.
Whatever it is that we want, in some way or form, we have to take a risk. It is like we are in a constant exchange with the universe. If we want to receive, we have to sacrifice something.
You are a lot tougher than you think and you really do deserve great things. Right now it feels like the world is against you.
No pain no gain right?