sorry to hear that. but like you mentioned, they all lie, just ignore them. Let them win their victim olympics.  the thing is what I learnt from abuse was: you can't turn back time. you can't undo the abuse, the only thing that you can do is live a great life. And that is what fats can't do, they are miserable and everything around them is miserable, so they lie about abuse to get comfort, so their life isn't as "miserable" for just one second. but their misery is still there and they know it. And next time they lie even more.