Share 'Nole's performance enhanced due to performance-enhancers?'

I read someone's comment on youtube, where this person believed Novak has used performance-enhancer drugs, so I sent a message to him asking him if this is true or just hearsay? This was his response.: "Hi Elaine, I am sorry if I offended your point of view about Novak. But please do not get me wrong; I believe Novak is an amazing player. However, I do believe Nole use or used performance-enhanc…