Complex sentence: But when Emily meets Izzy again, he is too under the influence to remember that they were going to see each other, heartbroken with his inconsiderate behavior and the fact that he is sleeping with so many groupies, Emily leaves him.
Split into simpler sentences: But when Emily meets Izzy again, he is too under the influence to remember that they were going to see each other. Heartbroken with his inconsiderate behavior and the fact that he is sleeping with so many groupies, Emily leaves him.