Larissa's greatest flaw was her tendency to be overly forgiving.
Travis had gone so far as to say those kinds of things and did all those things for her. If she didn't agree to get back together with him, she would appear to be too cold-hearted.
Moreover, in reality, she couldn't actually bear to be without him.
Later, when she married Travis, they'd bought a house together in Covenford.
His parents had initially suggested that they live together with the two of them, but Travis had refused