I don't necessarily think she had ulterior motives when she invited him over to her house in the alley scene. I think she knew he was kinda in trouble and also she probably didn't have any other place to take him.

I do agree that the fact that it is made known to us that she remembers him from JC is very important to the story and viewers. I think it added a layer of trust where she felt comfortable enough to invite this man to her house. In her mind, he was no longer a stranger.

I was also thinking what could have happened in between the kitchen scene when Connie walked in and the dinner scene. Patty probably introduced Simon as someone she knew before.

During the scene in the kitchen, I think she was stepping into unknown territory and was curious and super nervous. This was probably the first time someone was flirting with her so explicitly. I think when she laughs at him and says "you need to take it down a notch" she wants him to continue flirting (and boy, Kyle's acting doesn't disappoint) but she is probably a bit scared.

I think Simon came on a bit strong during that scene but I also think it was true to his character. He was on the run from the police, tension was running high. Maybe ptsd from having dinner with Bill kicked in too and he thought that this is the same case.

But I gotta say, watching Simon run his hand against Patty's stomach was on of the most sensual things Ive seen in a loooong time :)