Talk:ロキ (Roki)/@comment-2A02:587:8007:C300:FDE5:FFE5:591C:56EF-20180520001434/@comment-29923425-20181005103940

It's a term used in psychology, it's basically a field that protects our hearts from the intrusion of others. Got this info from an animeboards post from 17 years ago