In the toilet!

L: Eeee, why the toothbrush got hair one.
(Removes the hair from the head of the toothbrush)
(Looks at it for a moment)
L: Wah, luckily the hair is straight and not wavy or I will throw away the toothbrush sia. Cheebye.
P: HAHAHAHAHAHAHAHAHAHHAHAHAHAHAHAHAHAHAH