Quentin's family worries that he has a substance abuse issue. What would MOST likely lead them to believe he is experiencing this critical health issue?

(1 point)
• They have noticed he is no longer exercising and is gaining weight.
• They have found empty beer bottles hidden in his closet.
• They have seen him have multiple romantic relationships.
• They have heard him complain that he has no friends and feels alone.

Option 2: They have found empty beer bottles hidden in his closet.

Finding empty beer bottles hidden in Quentin's closet indicates that he is consuming alcohol, which could suggest a substance abuse issue.