Jim is right Casey is a mug in denial
 

Lee could have her when ever he wants and he knows it. she seems completely oblivious to how much of a mug shes looking. hope she heeds the warning but sadly I doubt she will shes whipped he could have a 3 way with Luisa and Sam infront of her and she'd still forgive him as she clearly has no self respect other wise she'd have told him where to go by now.