Step one: Stop checking Facebook.
A few years back on a solo trip to Europe, Jaime L. Kurtz found herself standing on the Croatian island of Hvar. The sun shone. Boats bobbed in the Adriatic Sea. But instead of feeling happy and free, she felt homesick and lonely.
“I realized that a lot of this was due to my own habits and personality, rather than to characteristics of the places themselves,” Kurtz, an associate professor of psychology at James Madison University and author of The Happy Traveler: Unpacking The Secrets of Better Vacations, tells Condé Nast Traveler.
More tips at Conde Nast Traveler