Complex sentence: She sees that Danny has a wedding ring on his hand, and asks him about his wife and he says how she recently left him for someone else, and the woman from the bar ends up sleeping with him.
Split into simpler sentences: She sees that Danny has a wedding ring on his hand, and asks him about his wife. Instead of telling the truth, he makes up a story about how she recently left him for someone else, and the woman from the bar ends up sleeping with him.