Genesis 19

So much to digest here!  Lot of questions in this chapter;
1.  How did Lot know the men were angels?  Did they look different?  He seems to recognize them right away. 
2.  How is it that Lot can persuaded the men to come to his house?  Is this where he went wrong?  Is that why the angry mob came to his door?
3.  Why do the townsmen automatically assume they can come have sex with them?  This seems really weird!
4.  Why does Lot offer is daughters to the angry mob?  I'm pretty sure I would struggle with that one.
5.  Why do the daughters assume they won't ever meet up with other men, and need to sleep with their father?
6.  Why does Lot's wife turn to salt?  There is one line that says, "..don't look back."  But, it doesn't seem to be that strong of a command....just sayin'
7.  How does Lot NOT know that his daughter have had sex with him?  Anytime that happens to me, I certainly know it!

So many questions.....and so few answers!
It almost feels like a chapter that is setting the table for something else to happen.  To much crazy schtuff with not enough context or background.

I guess what I'm sayin' here.....is......I'm not sure what to take from this and apply it to my life?  Is it "God's plan before my plan?"  Is it "Don't look back!?"  Is it "Bad things happen in caves?" 
Not sure.  One thing is for sure......Sodom needed to be destroyed!

tp