It may change with the 'good' time reflected in the goodness and behavior of the person. When a person begins to act impulsively. Then, according to the facts, the ego then develops the parenting law superego. It has id-ego-superego capacity in social events. Because it's tempting to straighten it out and invite it to do it. Even if people are together and do not have to put pressure on them, a blow can come. Keep your worries and worries together. Or "work" helps you work side by side for your friend.