Complex sentence: Happier and more productive than ever, he now found every single aspect of his life tied to the company, all part of a well-oiled machine, until his lover died in an explosion at her apartment, that is.
Split into simpler sentences: Happier and more productive than ever, he now found every single aspect of his life tied to the company, all part of a well-oiled machine. Until his lover died in an explosion at her apartment, that is.