It draws her eye immediately, and Robin curses the attraction she feels; he's not hers to want anymore. But Barney just had to walk in here, sporting that black eye, and suddenly she wants him more than ever.
Just when she thought she was finally getting over him.
He sits down, and she reaches out to touch – and it isn't until he flinches away that she realizes…
He's not bragging. In fact, he's embarrassed that she's noticed.
That's when Robin decides two things. One –she is going to end Quinn.
And two – she won't be happy until Barney's hers again.