Your  teenage years can be like a bumpy ride.  The cool thing about being a teenager is realizing that how you feel and how you act are two different things.  You can't change the way you feel right away.  But when deciding what to do, you always have choices.
JEALOUS My sister has more information about her birth family than I do.  She even has pictures! BE HONEST It can be hard not to have photos or information about your birth parents.  Tell your family how this makes you feel. BE FAIR Don't take it out on your sister. REALITY CHECK Explore what information you do have and make a list of information you wish you had.  Share it with someone close to you.