스포츠분석: A Simple Definition
https://www.evernote.com/shard/s338/sh/14b16cdd-1ed1-422e-9c7a-9b14f402f115/bffda80231a19bb6ffcf0dba2042344c
This is due to bad patterns are often easy to do. They take tiny effort and hard work. Alternatively, an excellent habit involves hard work and self-self-discipline.