You have to believe in yourself when no one else does.
"The world is full of obvious things which nobody by any chance ever observes."
If you lose or forget to bring a cable,adapter or charger,check with your hotel. Most hotels now have a drawer full of cables,adapters and chargers others have left behind,and probably have the one you are missing. You can often claim it after borrowing it.
"The dead are more alive than we are, because they are complete."