>Yup, I am exactly that mad loner prick who doesn't like being spoken to by strangers at the gym when I am working out.

Not just the gym, I'd say pretty much anywhere. 

Puts hand up in halting position as someone begins to open their mouth: "Nope. No thank you." 

The gym probably is the worst though. Heart racing and all out of breath. Not a great state for a conversation.