Board Thread:Naruto Discussions/@comment-26800188-20150721182335/@comment-734582-20150725131838

J spencer93 wrote: pretty sure its stated in the manga its because of the fox's chakra leaking into his own. Well i'd like to see a source for that statement, because i don't recall anything even remotely like that. His chakra control sucked because of the Five Elements seal, that much i know for certain.