Oh bugger off, Sian.
Did she really expect Lewis to be keep lowering his voice and be pleasant to Issy (the peacemaker) when he was in the middle of a full blown screaming match with Akeem?

Lewis may have been abrupt, but he did say to her: "Please, don't touch me", so Issy should've got out immediately...not stay in the tub with two men who looked like they were going to start brawling.
Meanwhile, Sian was clearly enjoying every moment - like the cat that got the cream and muttering under her breath again.
Will she ever talk to Lewis about her hatred for him?