I get tired just thinking about ways to save money. I'm not a big spender by any means, and my road to frugality begins and ends with one question "Do I REALLY

I get tired just thinking about ways to save money. I'm not a big spender by any means, and my road to frugality begins and ends with one question "Do I REALLY need it and will it help me be happier or more productive?" (ok, that's really 3 related questions). I'd rather spend my limited brainpower in other ways. I also don't want to look back on my life and point to being cheap as a primary driver.