House Of Halliwell "Wrestling With Demons"

Holly talks about how the last scene with Alyssa and Shannen hit too close to home and was insinuating that Phoebe's and Prue's tension was connected to Alyssa's and Shannen's tension towards each other.

Did anyone else listen?

Also they never really go into detail towards their tension. It's just like one day they decided to not get along