But if you instead use passcode, when you sleeping, your girlfiend scan you brain to login to iphone and she will find out how you cheated her.
Use passcode to login is not safe
Entire planet is not safe
Move to another different planet
All them gangbangers that steal the phones on the subways will also be cutting off fingers and hands. If they can kill without blinking an eye imagine what a little finger removal is to them. Are these the security features some "genius" mayors were asking for? lol