Context: We got back , and Jeff 's interest in sketching grew . He picked up a small sketchbook and started drawing things here and there . Then work for him got busy .
Question: Why did Jeff start getting busy with his endeavor ?
Option 0: Jeff got busy with his sketching because he gave up other activities .
Option 1: Jeff got busy with his sketching because he had developed more interest in it .
Option 2: None of the above choices .
Option 3: Jeff got busy with his sketching because he was enjoying it less and less .
Answer: 1