She was 'stuck in a rut' at her old job, so she quit work and went back to school.
It is easy to 'get into a rut' if you're not careful.
Bucks will defend their territory during the 'rut'.
(..) They're the most the glaciers are so steep and crevassed that few except the most skilled mountaineers can penetrate these ranges. Markhor gather for their annual rut. Males must fight for the right to breed, but on these sheer cliffs any slip by either animal could be fatal. A snow leopard - (..)2006 TvShow: Planet Earth Title: Mountains Season: 1 Episode 2