You’ve been quiet ever since childhood, as the trauma and neglect that you endured during that time silenced you. As you got older, you suspected that even now, people wouldn’t want to hear what you have to say, so you continued to be quiet.

“Damn it! I swear, this is impossible!”

The Master angrily mumbles to himself (or you, you can’t tell.) as he hastily tries to fix a part of the TARDIS console. Without speaking, you hop up from your spot on one of the seats and lightly bump him away from the console. In record time, you fix what was wrong, the console lighting up as usual again. The Master states at you, baffled.