“I’m sorry. I have to—I just need some space. To breathe.” I ducked my head and rushed out, the world a blur of pale linoleum and alarmed voices as I barreled past my brother and friends. I couldn’t draw in air fast enough or deep enough to sate the strain in my lungs. I hadn’t had a full-blown panic attack in years, but I was on the verge of relapsing.

