Answer:
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.
There are four of these, but everyone's favorite seems to be spades.
What has many keys but cannot open a single lock or door?
Take one royal word in the plural and make it singular by adding one letter
People in love are often bound to this.
How did the farmer find his wife?