User blog comment:Nemesisdevil98/Happy Birthday To Me: Chapter 1 : Freedom Wars x God Eater/@comment-26113680-20150814185602/@comment-1419424-20150814190125

Basically, unless/until you purchase special entitlements, you get years added to your sentence for things like running for more than 5 seconds, lying down, talking to other people, etc.

EDIT: It appears I've been ninja'd :P