If she thought he was going to give in, she was sorely mistaken. This was one argument which Marek absolutely refused to lose, even if not all of the points he'd made earlier were true. He wasn't really fighting to get her to take off the scarf, he was fighting to force her to get her self-respect back. Once she had that, she could wear whatever the hell she wanted.
He made a breathless sound that wasn't quite a growl and forced her over to the side, grappling with her to find enough of a purchase to pin her down instead, but his muscles were aching. He fought dirty instead, purposefully digging his nails in and aiming blows with his knees and elbows and fists at any part of her he could reach. It probably looked comical with them both on the floor, but he was far too angry to care.