it depends on you,if you treat me as your friend,i will be your friend,while you treat me as a stranger,i won't know who you are,so open your heart,when you feel or long for friendship,and i won't let you down.
　　Yes, as you say we are acting as many roles when we live in this world,so be positive and happy for yourself and for the ones who care you.
　　have a nice day.
　　enjoy youself.