Accepting failure and learning from it, and not judging people.
Maturity doesn't exist.
The way the person controls themselves in different types of situations and know how to act appropriately in different situations. A mature person can deal with situations of distress and are usually calm and collected.
Being able to see and admit one's own faults with grace and humility.
... people fee better about themselves helps too. You have to make decisions and let yourself fail and be wrong when you have failed or were wrong. You gotta be real. And you have to be able to have immature moments, because nobody is perfect and nobody is ever perfectly mature. Being serious doesn't have to do with maturity, nor does being logical. The most mature person I've ever met was funny as hell, knew who they were and liked themselves, and just went with the flow. They handled life well
I don't think being realistic has to do with being mature. Taking responsibility, knowing your weaknesses, and realizing the effect you have on the world around you are a few things on the path to becoming mature. Coming to terms with your shortcomings, being able to respect everyone, and being able to let loose without needing drinks, food or drugs are also characteristics. Making your own happiness, not letting people influence you as a person without your consent, and trying to make other...
It's one's manner and conduction, really. If you act like a child all the time, and have the mannerisms of a child, I believe you to be immature. Also, how you look at the world can determine your maturity. If you have your own opinions on things in the world, and can make a point on your opinions, I would consider you to be mature
They do things on their own, rather than have to be told to do them.
They are highly motivated to succeed.
Their ability to see reason.
taking responsibilities for their own actions