As it seems like you lived many years without knowing that part of your self, I don't see why other people have to know. You don't need to keep it a secret, but you don't need to tell.

For the ones who find that unnormal, you might want to know, that that isn't limited concepts like straight, homo, bi... sexuality it's not a black and white thing (it's more like a shape of colours). So the ones who might judge you may not be in the position to do that. (not the best advice, but that's a fact)