Why do conversations contains questions​

Being fully present in every conversation will speak well of your character. Ask questions to gain an understanding. At times, asking the same question of another is appropriate and right. At other times, it may be more valuable to ask a different question to gain a deeper understanding

it ends with a marriage, but also with prospero giving up his power.

the tempest is a play written by william shakespeare between 1610-1611, it narrates the story of prospero a magician that sets a storm to wreck a ship, this sets the story to kill the king of naples. while it is a romantic style play, it isn´t traditional because of the ending, it end with the marriage and the magician giving up his powers.