Anna is satisfied, she is not happy or anything, she is satisfied with that look on Olivia's face ( Author: sorry for changing the name, I got confused)
Olivia never thought that Allen could do something like this to her when she looked at Allen and asked "what happened Allen? why are you backing away and doing this to me?".
Allen didn't tell anything, no matter what, she is his best friend and always there for him, and making her sad like this is hurting him but he can't do anything because of Anna, and more than anything, Olivia has hurt Anna so many times where he could not do anything on that time, as he felt like a man, who can't do anything, he looked at Anna, who looked so satisfied, she is looking at Olivia and asked: "then I think you don't have to love a man, who is already married, then you may not be this sad? just stop trying to think about other peoples' man".