Sentence 1: Tom was a married man. 
 Sentence 3: Tom was flattered but knew it was wrong 
 Sentence 4:  He told her he was married and set boundaries 
 Sentence 5:  She appreciated his direct approach 
 Option 1: He noticed a girl at work kept flirting with him. 
 Option 2: He noticed a guy at work kept flirting with him.