That regulates without external control or monitoring

plural of self-deprivation

Someone who performs self-harm.

present participle of self-deal

(intransitive) To harm oneself deliberately.

Obviously true, and requiring no proof, argument or explanation.

Of a person, having achieved success by one's own efforts, with little to no support from family members and others. / Of a thing, made by oneself instead of bought or taken over.

in full control of one's faculties, and having a firm belief in one's abilities; confident, assured and poised

The means of defending oneself from physical attack.

Induction in a circuit caused by changes in the circuit itself.