Complex sentence: He was emotionally and sexually abused as a child by his aunt as a form of "punishment," instilling in him lifelong guilt and hatred of women, and his first wife was a drug addict who killed their son before dying of an overdose.
Split into simpler sentences: He was emotionally and sexually abused as a child by his aunt as a form of "punishment," instilling in him lifelong guilt and hatred of women. His first wife, meanwhile, was a drug addict who killed their son before dying of an overdose.