Answer:
1. Joy facilitates our willingness to engage in social activities.
2. Joy is a "soothing function".
3. Joy creates the urge to play and be creative.
Step-by-step explanation:
1. Someone's tendency to engage in social activities tend to be really determined by the cost and reward that the person might get from doing so. When we are sure to obtain a sense of joy from the social activities, it will increase our likelihood to engage in order to seek that reward.
2. The soothing function will reduce the feeling of social exclusion and make people able to handle difficult situation.
3. Joy basically make us happy doing whatever we want to do. When we experience it, we become much more likely to put more work without feeling bored and creates the urge to play and be creative.