Exactly. I wear a single AirPod when going on runs, walks, and on my cycling trainer, and the difference is night and day; I don't know why it's so frustrating

Exactly. I wear a single AirPod when going on runs, walks, and on my cycling trainer, and the difference is night and day; I don't know why it's so frustrating to have an earbud ripped out of your ear, but it is. My AirPods are one of the few things that if I were to lose I'd buy again immediately.