Be sincere. Don't fake your manner of speech to impress others. Avoid laughing or joke inappropriately. If someone is trying to be serious with you, and you try to be humorous, you will not be considered mature.
A mature voice is clear to speak out for itself and to be heard. It's not mumbled and not too soft. People with a mature voice articulate their thoughts, ideas and opinions. To speak with clarity, relax yourself and support your speaking with enough air.
Mature people – youth or adults – live by values. They have principles that guide their decisions and are able to progress beyond merely reacting to life's options. They live proactively. Although they recognize their emotions as important, their character is master over their emotions.
If you sound like a child, it is most likely that you are not using enough diaphragm support to release your singing voice in a relaxed mode; instead you constrict your throat more, in order to squeeze out your voice.
As you get older, your skin naturally becomes less elastic and more fragile. Decreased production of natural oils dries your skin and makes it appear more wrinkled. Fat in the deeper layers of your skin diminishes. This causes loose, saggy skin and more-pronounced lines and crevices.
Between the ages of 18 and 21, your voice stabilizes because the vocal folds and larynx have reached their full growth. While there can be some changes into your 30s, most people's voices are finished with physical changes due to hormones by the age of 21 or so.
A voice change is one of the secondary sexual characteristics adolescents develop. In boys, this happens between ages 12 and 16; in girls, between ages 10 and 14.
Physical. When I say physical maturity, I am not referring to the normal ageing process of our body but the fact that one day we realize that if our physical health is not in top shape, nothing else is worth much in life. ...
Investing your emotional energy wisely. Each individual only has so much they can give; this means that it serves us best to be intentional about what and who we say yes to. ...
Someone's psychological or emotional age is often evident in emotional reactions and habits. Signs of emotional childishness include emotional escalations, blaming, lies, and name-calling. Someone who is emotionally childish may also have poor impulse control, need to be the center of attention, or engage in bullying.
Immature people only appear to care about themselves. They dislike compromise and don't want to take other people's ideas into account. They always want to have their own way.
Skin becomes loose and sagging, bones lose their mass, and muscles lose their strength as a result of time spent living life. Most people begin to notice a shift in the appearance of their face around their 40's and 50's, with some also noticing a change in their 30's.