Explanation: The media portrays girls as skinny and very beautiful and portrays boys as muscular , when in real life you hardly find someone that looks like what you see in the media. The media makes teens feel like they can never reach the UNREALISTIC goal set by the media.
I assume that friends who bring you up is talking in a positive way. Like they say good things about you, and encourage you.
Finding a hobby you enjoy will most likely not affect your self image.If you enjoy the hobby you will not be focused on what you think you look like.