Video: EXCLUSIVE: "Becca, you dodged a bullet!' Bachelor Arie Luyendyk's ex tells how he loved her and left her FOUR TIMES – and doubts he’ll marry his new fiancée after controversially dumping the show's winner

Bachelor star Arie Luyendyk Jr.'s ex-girlfriend, law student Giustina Lee, claims that his fear of commitment will keep him from marrying his new fiancée, Lauren Burnham.