this term is already coined and exists on pluralpedia (click)! we just made a flag for it because we needed it
A heartbeat is a headmate that fronts to keep the body moving to complete a task, regardless of how much pain the body is in. They may have a higher pain tolerance, although this is not required. The term was made with chronic pain in mind, but can be used for any reason.
lazy flag making. self indulgent. read my intro for more info about this blog & boundaries