The honest reason — boredom, ceiling, redundancy risk, ill health, meaning. The capital and skills inventory you actually have. The four pivot shapes (adjacent, sector change, contracting, business). The runway maths for going slower in exchange for going right. How to talk about it without scaring your partner. The 12-month "is this working" test. For the man on the wrong side of 45 who can see another decade in the same role and isn't sure he wants it.