Happiness is the ratio of REALITY FROM EXPECTATIONS. When Reality and Expectations lose alignment unhappiness triggers in.
Happiness = Reality / Expectations
Projects also fail when stakeholders Expectations and the perceptions of value that stakeholders feel they will get from a new process is not met. Stakeholders at times are guilty of presenting requirements as demands that are non-negotiable and we as project leaders fail to balance them with reality by presenting constraints associated with stakeholders expectations.
PRIORITIZATION IS THE TOOL IN LIFE AND PROJECT MANAGEMENT THAT CAN KEEP EVERYONE HAPPY.