Loneliness is the human condition, and no amount of technology can change that.
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 hardest thing to explain is the glaringly evident which everybody had decided not to see.