Eating windows expand gradually through small drifts — an earlier start, a later finish, an exception that becomes routine. Each individual drift is tiny, but slight flexes accumulate. The purpose of an eating window is creating consistent low-insulin time, and expanding the window shrinks those hours. The fix is specific: pick one boundary (hard start or hard stop time) and make it non-negotiable.
This companion explores how the creep happens, why the window matters metabolically, and how to reinstate a clear rule. (4 min read)