Work Text:
Marcus walked into the Brownstone to see Sherlock staring into the kitchen with big headphones on.
It took a moment before Sherlock saw Marcus in his peripheral vision; Sherlock could almost hear the pause.
'The headphones are to block out neurotypical people,' Sherlock said, and looked at Marcus - almost in a numb state.
'Want me to head off,' Marcus asked.
Sherlock faintly heard him, but was able to catch all of it.
He sighed in relief; he didn’t have to explain.
'Please. 50 minutes, tops'.
Marcus nodded and gave a wave before heading back to the door.
Luckily, Marcus knew a decent coffee place nearby where he could go to - perhaps get Sherlock something sweet as well.