Start——
He said: Why do I fall in love with such a thing as you? Forget it, just think of it as doing a good deed. Hey, liar, just marry me.
Later——
He said: I treat you sincerely, what do you think I am?
I said: I have told you that I am a liar, and you are just my biggest lie.
But, you don't know——
Liars and lies are inseparable. If a liar doesn't lie, is he still a liar?
So I am a liar, and you are the biggest lie in my life.