From afar, Veronica just sneered at Sarah and Tom's situation. She couldn't hear anything, but she knew from Tom's face that he's been carrying a quite heavy baggage that Sarah is completely oblivious of.
Tom had no idea that the landlady was the culprit behind the dilemma he was facing in their business. Otherwise, he would not have considered going through the lengths and began a relationship with her. If he ever got caught cheating, this would definitely mess up Sarah. Moreover, the consequences won't just stop there. It would affect everything that he had been holding together.
Tom has always been a good husband and father. Wrecking this relationship...