As the direct effect of one's actions, rather than those of others or of external events.

Alternative form of God's own country (“Yorkshire”)

In real life as seen by oneself, as opposed to in a picture or according to someone else's description.

(idiomatic, derogatory) Alternative form of like someone owns the place

(transitive) To change or deal with (something) in a way that makes it seem to belong to oneself; to handle or present uniquely.

(idiomatic) At one's own instigation, of one's own accord.

(idiomatic) Hurt or destroyed by one's own plot or device intended for another; "blown up by one's own bomb".

(transitive, idiomatic) to leave alone, unsupervised, without assistance.

Be yourself; be true to yourself; do not engage in self-deception.

(idiomatic) To concern oneself only with what is of interest to oneself and not interfere in the affairs of others.