Robbie Williams shares secret health battle as he opens up about diagnosisThe pop singer has been candid about this health battles over the yearsView Image Robbie WilliamsRobbie Williams has told how he’s developed ‘inside Tourette's’ in the form of 'intrusive thoughts’. They are intrusive thoughts that happen, I was just walking down the road the other day, and I realised that these intrusive thoughts are inside Tourettes. You must be really, really excited’. I'm terrified, right? I'm terrified.