Do you feel insecure about yourself? That's probably because you’re visualising what you think is ideal. But realistically: nobody is perfect and everyone is different. You are fine just as you are.
Am I normal?
You can feel pretty insecure about yourself during puberty. About your appearance, about your love life, about your friends. Or because you feel different. You wonder: am I normal? Do I fit in and do they like me?
You will feel insecure about yourself if you have an image in your mind of what ‘normal’ is. Perhaps you see lots of pictures of super slim people in magazines. So when you look in the mirror you think you’re too fat, and you think your body is not normal. But that's not right at all! In reality, everyone's body is different.
... doesn't exist
There's no such thing as normal. Everyone is different. Everyone is beautiful in his or her own way. Whether you are slim or well built, are attracted to someone of the same sex or the opposite sex, start having sex ‘early’ or ‘late’.
The solution? Don't compare yourself to people in magazines, films or TV programmes. Tell yourself that normal doesn't exist. You’re fine as you are, precisely because you are you. And that goes for the people around you as well. It would be so boring if everybody was the same.