Sentence 1: Ray began taking medication for his anxiety. 
 Sentence 3: But he became addicted to the pills 
 Sentence 4:  And he became even more anxious when he didn't have them 
 Sentence 5:  Ray began taking new medication for his addiction 
 Option 1: And he noticed that his mood was much better. 
 Option 2: But he noticed his mood became much worse.