Life in five senses : how exploring the senses got me out of my head and into the world
by Gretchen Rubin
For more than a decade, Gretchen Rubin had been studying happiness and human nature. Then, one day, a visit to her eye doctor made her realize that she'd been overlooking a key element of happiness: her five senses. She'd spent so much time stuck in her head that she'd allowed the vital sensations of life to slip away, unnoticed.