When the gospel of minimalism collides with daily life

MINIMALISM as a lifestyle creed is pretty simple: The less you own, the happier you'll be. Pare down and de-clutter, the thinking goes, and your mind will have room to exhale. Minimalists say that it's about spending more energy on living, less energy on having. With more than six million Instagram posts tagged #minimalism and four million more tagged #minimalist, it's a trend that won't die.

And understandably so. The impulse to step off the consumer treadmill can be quite tempting.

In theory, minimalists have more time and money to amass something that researchers have found to provide far more satisfaction than material items: memories. Experiential purchases, psychologists assure us, offer deeper emotional sustenance than any new gadget or piece of furniture. Studies suggest that…