If you can get 11.3% per year on your investments forever, spending anything on anything is going to look foolish: just wait a few hundred years and you will ha

If you can get 11.3% per year on your investments forever, spending anything on anything is going to look foolish: just wait a few hundred years and you will have more money than the US GDP, which only grows at 2-3%. If you do want to enjoy an espresso, I will point out that coffee is considered "food for office" and is a 100% deductible business expense.