Answer:
What is an acceptable act of violence during saint Patrick's day?
I am a king but also a common device of measure. What am I?
It is hate and has hate in it, but it isnβt hate.
Spies and detectives do this to phones and musical shoes make this sound.
I have joy in bringing two together, but darning my existence! My life hangs by a thread, filled with ups, downs and resistance!
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?