Agreed. I am not a furry at heart, but I like the people and many of the prejudgements are just that- prejudgements. Sure, there are some groups which fit the stereotypes, but the bulk is misunderstood and shoved with those groups in the same box.
However, truth is: nobody fits in a predetermined box. Furries are easily as colourful and diverse as non-furries, and it doesn't matter you haven't discovered your talents yet. Speaking of which, we don't even mind. You can join the silliness just for sake of it, and we'd be happy for it, too!
That said, I call your shame a lie. You should know what you like yourself and if your friends don't like you for who you are, you might want to leave them.
I know it may sound harsh. If it is, sorry- I tend to be blunt.
Obviously, I cannot and will not decide for you. However, I do encourage you to explore and consider this side of you- it might surprise you.