It's funny by the start of the series when he was a kid like 6 or 7 he was normal and perfect then by the last seasons of the show the 7th and 8th season he started acting all strange geeky and jealous that the fact that rudy was going out with her boyfriend stanley not only that but she had other friends other then him lol

http://www.youtube.com/watch?v=v31S3563Bcw