Eames doesn't hug her back. In fact, instead of accepting it like he used to, he puts a hand on her shoulder to push her back. She's the one who ended their friendship, she doesn't get to come to his home in the middle of the night and try to hug him.

"That's too bad for you-- down." Boxer lets out a whine at the order — Eames never stops him from meeting people unless they're bad, and Nancy's not bad! She's a friend!! — but he sits obediently, head lowered. Another whine as Eames begins closing the door.

"If that's it, I'm going to go back to bed."