As I received an invoice from the electricity company which was 3 times more than the usual amount, I did a conscious effort to choose my reaction. I recall how blessed I feel whenever I receive invoices from them because they usually send lower invoices than expected thanks my care not to overheat the flat. After being startled for a day, I decided to simply ring the company. Miracle! They experienced a technical bug. My invoice amount was put down to its usual amount. What if my way of reacting actually affected the whole thing?