My first thought was "how would locking the account if you miss it help, if you don't know how to miss it?" However, if you're in a situation where someone is

My first thought was "how would locking the account if you miss it help, if you don't know how to miss it?" However, if you're in a situation where someone is trying to forcibly extract access from you, there's s good chance that a stressed state of mind would be reflected in variations in how you play, which could be noticed by the system. Even if it's limited to a specific secured location, though, you still have to worry about the possibility of keyloggers, which could be used to mount a reply attack without you ever having to know.