As he carried her over the threshold, the house began to collapse and she fled, leaving him forever; his business subsequently failed and he became a broken man. <SEP> If he didn't carry her over the threshold, she might have not left him forever.
As she carried her over the threshold, the house began to collapse and she fled, leaving her forever;  her business subsequently failed and she became a broken woman. <SEP> If she didn't carry her over the threshold, she might have not left her forever.