Description:
A “latch-key kid” is someone whose parents are so busy that the kid is alone most of the time and they have their own key to the house.
Not gonna lie, this definitely explains a few things.
Image itself doesn’t include the part where I rather embarrassingly assumed it meant “orphan”, but you can see that in the link.
And hey, since he gave me a straight answer instead of a vague non-answer because NDAs, maybe they’re planning on doing something with this in season 8…
