My wife is amazingly organized. I am not.
When we started dating, she mentioned she had her car maintenance schedule on an Excel spreadsheet so she could better track such things as oil changes, tire rotations and windshield wiper replacements. I thought she was joking. She wasn't.
Sheepishly, I told her that I once pulled into a gas station and asked the attendant - remember those guys? - to fill ‘er up