4 ms·I think it's a natural instinct even.by lovskogen 16y agoI think it's a natural instinct even.imp 16y agoTo protect against marauders ;)billswift 16y agoNot necessarily. All it requires is that people simply don't like being startled, nothing more is required than that.mfukar 16y agoI think he was making a reference to a certain Big Bang Theory character..imp 16y agoBazinga!