God is not waiting for the world to become more wicked before His Son's Second Coming, He is waiting for the members to become more righteous.
A missionary in our ward bore his testimony on Sunday and what he said has stuck with me. He said that his mother always used to tell him that above quote. I am paraphrasing his words (and her words) here, of course, but I have always been operating through life just assuming the world is supposed to get more wicked before the Second Coming.
I assumed the world needed to be sufficiently ripe in wickedness because when Christ was here before, He needed to be amongst a people wicked enough to crucify Him. I was just thinking that's how the Second Coming would need to be too.
We know the world is going to get more wicked. It just is. But the Lord is NOT waiting for that to happen before the Savior comes again. He is waiting for the members to become more righteous. Whether or not this is truly why the Second Coming hasn't happened yet, it makes sense to me and makes me think.
The Bridegroom hasn't come yet because maybe the Lord is giving us a bit more time to fill our lamps with oil.
Let's be smart and replenish that oil and not just use it up thinking that tomorrow I will fill it up again.
Wherefore, be faithful, praying always, having your lamps trimmed and burning, and oil with you, that you may be ready at the coming of the Bridegroom - D&C 33:17