Robbie Williams: Fan photo requests cause 'discomfort'

Robbie Williams has spoken of the "discomfort" he feels when approached by fans for photos and autographs.In a candid Instagram post, the pop star said he can "mask it well", but in reality, he feels frightened by social interaction and panics every time a stranger approaches him.The singer, 51, also revealed that he turned down multiple requests for photos on a recent flight.But, in the lengthy and nuanced post,…