There is not any of I. It is all about everyone else. It is all about selflessness.
This word is commonly used in the phrase 無我夢中 (total absorption).
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
I was being followed by a shark so I lost myself swimming for my life.
Koichi finally reached a state of selflessness.
If you are not kind to yourself, you will not be kind to others. So, taking care of yourself is what selflessness is all about.