Answer:
People in love are often bound to this.
What body part is pronounced as one letter but written with three, only two different letters are used?
What kind of nail can be grown?
What calls for help, when written in capital letters, is the same forwards, backwards and upside down?
I shave several times a day, yet I still have a beard. Who am I?
Do what he says and you'll be fine, don't and you lose the game.