This part is mainly in charge of personality and mood. Their activity in an environment, how they respond to things emotionally and through language and words. It is also in charge of their personal dictionary, the words that they use daily and what they say to others.
Of course each person’s personality is different, which it means each frontal lobe is different as well. For example a teen they is just trying to figure out who they are and who they want to be. They are influenced by what is around them: their peers, media, music, and, society.