What can mature behavior help you do? Excercise self control. Use good judgement. Be dependable. all of the above.

A mature behavior will help in self control.

Explanation:

A mature person is a one who can restrain from things which can be detrimental to one’s well being by identifying, avoiding and winning over them.  

A mature behavior;

A person with a mature behavior will be able to control the impulses by identifying the pros and cons of the impulse and will restrain from them if found to be detrimental to their well being, either in the short or long term.

When an adolescent, among a peer group of smokers, refrains from smoking due to its ill-effects; then he/she has a mature behavior to understand the demerits of smoking and hence is self-controlling himself/herself from smoking.

a progressive heart disease that affects pumping action of the heart muscles.