Extremely specific form of stimulant-overloaded procrastination:
Need to go to toilet in order to be ready to move to designated work spot in order to start working, but don't want to stop listening to music for the duration of the bathroom trip.
Conversation
Perhaps willing to tolerate the few seconds of switching the headset over to the phone, even if this is Hilarously Unwieldy.
Seems like the way out.