Maybe I've just been lucky, but I've never felt that my idiosyncratic, obsessive, geeky personality and straightforward communication stylings were ever anything but an asset in fandom. Fandom is full of people like that -- people like you, people like me.

The real world? Another story. But here, I think you don't have much to worry about, especially if what you want to do is express your happiness. There is no way I can imagine you making enemies because of that.

Squee away!