Is quite smart, quickly picking up on an important clue others might've missed. Her quick and sometimes dry wit often came out, syncing with The Doctor's own. Quick, sharp wit, sarcastic quips and, above all else, fiery temper hid a deep well of compassion. very compassionate. In the past, she was selfish, always putting herself first. Travelling with the Doctor changed that: she started looking out for others. In some instances, she became almost motherly towards the Doctor. Can be stubborn.