We only see each other for funerals and weddings

Number eight didn't have a normal childhood. Number eight hardly had a child hood. With six of her other siblings, she spent her time helping the city. Now, she's being reunited to grieve. Number eights name is also Vanilla, so she hasn't had the best time with that either.
(I haven't watched the whole show at the time of writing. As I watch, I write, following along more or less with each episode.)