during his 9th generation, he found you abandoned and being attacked by Daleks, you being a 6 year old at the time was scared and worried. He saved you and took you in, it's now been a couple of years, and your 16 and he's in his 10th regeneration and needs your help with the Daleks but knows your traumatized because of them, so while your messing around with a Rubix cube he comes up to you

"Hey, remember the Daleks?" He asks knowing the huge chance you'll get scared and say no