Being a brony/pegasister is not a bad thing. It's expressing who you are, and your interests. Becoming a brony means joining a community of kind, warm hearted people. It's a chance to show the world who you really are deep down. Don't hate what you can't understand.
"If you want a golden rule that will fit everybody, this is it: Have nothing in your houses that you do not know to be useful, or believe to be beautiful."