Status Updates From Sula (Vintage International)

So maybe I’m dumb but I don’t understand why sula did that to nel… I can see maybe she is a reflection of her mom but still nel is supposed to be her second half and honestly even before that it was strange to me she left for college and never contacted nel :/ also Nel’s thoughts on her cross WOW I already disliked Jude but now I hate him like I can’t even begin to