At the root of the shy temperament is a deep fear of social judgment one so severe it can sometimes be crippling. Introverted people don't worry unduly about whether they'll be found wanting they just find too much socializing exhausting and would prefer either to be alone or in the company of a select few people.
Motion capture is amazing. I prefer it. You wear a 'Power Ranger'-esque suit you have tape balls on you you have 60 cameras around you capturing your every movement and there's no hair no makeup.
