In life, moving forward is a must for you to reach your desired destination.
Those that don't get to the peak of their goals are those who stop on the way. Facing difficulties or obstacles does mean you sit back and say my goal is unachievable.
Your goal is close to its actualization as long your are moving forward.
"Don’t dwell on what went wrong. Instead, focus on what to do next. Spend your energy moving forward together towards an answer" -Denis Waitley