Continuity mistake: Throughout the first series Ben and Susan's bedroom had the window on the left of the screen and the bathroom on the right. In the second series onwards the bathroom and the window have mysteriously swapped around. Also the entire layout of the house changes dramaticly.
Continuity mistake: When Nick becomes a taxi driver, he gives Ben a lift to the cinema. But he sets off in an exorcist's outfit and arives in plain clothes. If he was driving, he couldn't have got changed.
Answer: Easy. He could have got the guitar at any point in his life. As for keeping it in the attic? You're not going to throw out a £1000 guitar any time soon.
Ssiscool ★