Complex sentence: Despite his feelings for Natalie, Paul struggles with his guilt and when Natalie gets suspicious about Paul's relationship with Janine, he finally reveals Janine's role in Barry's death and makes a statement to the police.
Split into simpler sentences: Despite his feelings for Natalie, Paul struggles with his guilt. After Natalie grows suspicious of the nature of Paul's relationship with Janine, Paul finally reveals Janine's role in Barry's death and makes a statement to the police.