"I can't do talk shows, I don't do them, just because I get really nervous and fidgeting and shaky"

Devon Sawa is revealing his pain with talk shows. He is indicating that he gets really worried when he is in the spotlight which this anxiousness manifests itself in physical symptoms such as fidgeting and shaking. This could be due to a worry of public speaking or an uncertainty in his own capabilities. It is likely that Devon Sawa is not comfortable with the idea of being in the spotlight and needing to answer questions from a live audience. He is likely more comfy with acting functions, where he can prepare and practice his lines prior to performing. Devon Sawa's quote is a pointer that everybody has their own convenience levels and that it is essential to respect those borders. It is also a suggestion that it is alright to be nervous and to make the effort to get ready for any situation that may make us feel uneasy.