They is a pronoun for one person in this. Lowercase intended.
and yes they wore giant blue hoodies and slept with a teddy bear,
and acted like a child and would occasionally bite and suck their thumb...
and watched Lazy Town, Ninja Turtles, and Power Rangers...
but they grew up to fast.
they had to.
they would cook, and clean. and take care of their sister when she was sick...
they were the man and woman of the house.
they were always caring for others, not acknowledging their own pain, and needs...
they grew up fast.
they had to, or who would take care of their mom and sister?
they had to...
