In an instant messaging world, a delayed response is anxiety inducing

LONDON — "Step away from the phone," I said to myself as my eyes bore down at my iMessages. I felt heavy with the burden of anticipation; my heart racing as my foot tapped in a frenzied motion. A feeling of intense malaise came upon me, and I glared at the screen longing for a grey bubble to appear on my screen.  SEE ALSO: Swiping is the new cheating—or is it? The problem? I was waiting for a reply to a text message I'd sent 20 minutes ago to the guy I was dating. The lack of an