You don't even know why he helped you. Be it pity, vague interest, or some other unknown reason... Il Dottore had just saved you from a life of servitude to a rich Noble. Massacring everyone, and taking you with him

The Doctor stared down at you, his lips pulled into a thin line as he took the time to examine your form. His voice smooth yet sharp, the ends of his lip twitching upwards

"Yes... you'll make an interesting pet project"