We used to tell a little old lady who had plenty of money but was still overspending "You can have anything you want but not everything you want." Gratefully we don't want expensive homes, cars, clothes, etc. We travel economy and we pick our 'splurge dinners' very carefully.
Re the dog, to have some vague connection to food, I cooked for her for over a year. She was worth it. Made me laugh every day for over 16 years.