The price of being different

What is it like to be different? To be called an outsider just because you have different issues and ideals than the others?

I wasn't really what one could call an ''outsider'' because I had (and still have) friends and I don't face any problems with meeting new people but looks like my destiny wanted me to be different though.
In fifth grade a classmate asked me why I was talking in a different way. In seventh grade another classmate blamed me for talking about weird things (religion, politics, etc.) and I started watching ''Top of the Pops'' and other TV shows to be capable of talking about their topics.
And during the last years I was often crtiticized for my principles and ideals that are different (compared to the teenagers around me). For example I'm taking friendship as a mission.. That means if I see a friend of mine doing wrong things (judged by religion & logic) I will go and tell her in spite of the reaction on our friendship.. She may never talk to me again but at least I would have been honest and kept a clear conscience. But no, to be like the others I'd have to be a hypocrite, admire her all the time and never criticize anything which would endanger this relationship.. Well, I can't be like that. And if a friend asked me to do that I'd just forget about the whole relationship because it wouldn't be friendship but hypocrisy then.
Lately a few guys achieved to create a huge barrier between me and my friends. At the beginning I was furious at these guys but then I noticed that if these friends allow some guys to break what we have built during 13 years then I really don't know what to say.
And another funny thing is: Why do I always have to justify myself and my actions? Especially when they are not wrong but just ''too right'' (that was a quote by one of the critics)? Why do I have to be attacked when I do one mistake while the others are doing mistakes all the time? Why do I have to change instead of being just accepted they way I am? Especially when I'm also not the one who's wrong?

Adults call me too grown-up for my age, schoolmates call me a grandmother. So, to sum it up in one word: Different.
I was about to blame my grandmother for rasing me like that because it would have been so easier for me to get along with everyone if I was just one of them.. But then I noticed how stupid this was because I would be just like them. After all, being different in a good way is not a crime. I admit, it's hard to get along with all the people who can't accept this difference but I guess that is the price one has to pay...