He's just a young guy, somewhat noticeably self-important because of all the media and patriotic hype invested in him, somewhat still immature and fiery in his mentality and approach to the sport. I don't particularly blame him for any of those things - I find Federer wearing tacky, gold-crested sports clothing/accessories just as arrogantly prickish as I find a young, 22 year old bloke getting ego-high on the ridiculous media-hype surrounding him.
libertarian benefit collector - anti-academic super-intellectual. http://mixlr.com/the-little-phrase/