According to Ade she only stayed at Ralph's for a day and immediately left. Most of the time they spent together was at her place in Michigan. I still can't see how any woman can get turned on enough to fuck him, I think Ade said she was feeding him benzos towards the end to keep him from propositioning her for sex. It's all very sad really, Ade is way more normal than I thought she would be. We already confirmed Faith is a total psycho so... who knows what's going through that girl's mind.
Also according to the texts to Chris the meth mouth, she went home with her parents. They probably have her on lock-down, which is the best thing they can do for her.