Why did Barry and Robin Gibb not speak for a while?

Barry and Robin Gibb experienced a rift in their relationship due to creative differences and personal conflicts, particularly during the late 1970s and early 1980s. Tensions arose as they navigated the pressures of fame and their musical direction, leading to a period of estrangement. However, they eventually reconciled and continued to work together, acknowledging the importance of their bond as brothers and collaborators.