You are not the first, many have been on that road before you and they made it.
So, how did they make it through difficulties? It was through perseverance.
How did they make it through disappointments? It was through flexibility of strategies, processes and approaches.
How did they make it through every setback? By always moving forward.
If you want to make it, you must be ready to outlive every situation that comes up to keep you from moving forward. So, keep on, MOVING ON and you will MAKE IT.