Answer: Behavior can improve self-confidence because making an effort to take actions such as smiling more, making plans or getting enough sleep can help fight feelings of negativity.
Step-by-step explanation:
Behavior refers to the actions that people engage in as a reaction to certain situations or people.
The right behavior can help one retain or gain confidence.
Some such behaviors include: smiling more to fool the body into a happier demeanor, making plans in advance and sticking to those plans as this can help one avoid certain failures which can impart confidence and, sleeping more. This reduces stress and negative feelings which makes one much more confident.