Answer to A) Anyone can make an effort to alter specific habits or behaviors. Even some aspects of attitude and personality can change over time… with some dedicated effort. Yet while people can change, not everyone does.
Answer to B) Researchers have long suspected that the chemistry of the brain largely influences personality and emotions. ... The higher the level of dopamine, or the more responsive the brain is to dopamine, the more likely a person is to be sensitive to incentives and rewards
Answer to C) The relationship with parents is a key predictor of wellbeing. High levels of family harmony, along with parents who are supportive and willing to grant autonomy to their children, facilitate children's wellbeing and life satisfaction, according to the 2013 The Good Childhood Report.
Answer to D) Some Ways to Resolve Conflicts
Talk directly. Assuming that there is no threat of physical violence, talk directly to the person with whom you have the problem. ...
Choose a good time. ...
Plan ahead. ...
Don't blame or name-call. ...
Give information. ...
Listen. ...
Show that you are listening. ...
Talk it all through.