You’ve not failed until you stop trying. If the aim of the oppositions, challenges and obstructions on your way is to get you not to reach your destination, they will only succeed when you stop moving on. That something is trying to keep you back is not a problem; it is in your hands to determine what the outcome will be.
Move on; don’t stay back. Even if you have to mourn a loss, it shouldn’t be forever. If you have to nurse a wound, that should not mean a total stop. There is time to heal and recover; but after then, moving on is paramount.
Don’t give any situation or event reason to rule over you. Refuse to remain stuck at where they left you, and do all you can to ALWAYS MOVE ON.