That very night she fell on Josh's arms during Jesy's madness, Lydia had sworn to make Josh hers. Not because it had anything to do with Jesy, but because she felt some strange magnetic attraction towards him, a kind of attraction she didn't want to let go, she wouldn't mind dancing to the tunes of her desires for Josh and she wanted to be in his arms forever.
To Lydia, it was nothing but truelove at first sight. She was aware that not just her, even Lexi had shown interest in Josh. But unlike Lexi's whose interest was driven by her urge to revenge against Jesy, hers was purely love. She wasn't into him for any personal interest or goals. The fact that Josh was responding positively to her advances was more than enough sign to tell her that she was doing the right thing.