She's the boss in that relationships, she's the breadwinner and good luck to Alex if he wants to leave her. She knows that and she knows she can dictate the terms, even though not so long ago she so desperate for him to propose to her. That was when he held all the cards...
Weird thing to bring up on her wedding anniversary
Alex said the reason he took Victoria's name after marriage, was because he doesn't have a family of his own. Her family is his family. She is his life. If she doesn't want children, of course he will have to say he agrees with that, he would be too afraid to lose her. It's not just her as his wife, but also his whole family and his financial situation at risk too.