自我

self- / ego (psychology)

self / oneself / from / since / naturally / surely

I; me; my

self-criticism

self-hypnotism

to blow one's own horn (idiom)

to comfort oneself / to console oneself / to reassure oneself

self-actualization (psychology) / self-realization

self-awareness

(my, your) own person / (to assert) one's own personality

to refer to one's foibles or failings with self-deprecating humor

self-defense

self-introduction / to introduce oneself