Complex sentence: He tries to save his marriage despite promising Stacey that he will leave Tanya but when Stacey learns of Tanya's pregnancy, Max takes his family to Spain and a few weeks later, tells Bradley they are moving there permanently.
Split into simpler sentences: He tries to save his marriage despite promising Stacey that he will leave Tanya. But when Stacey learns of Tanya' pregnancy, Max takes his family to Spain, and a few weeks later tells Bradley they are moving there permanently.