Sometimes we can be too predictable. Boring even. People think they know what we mean, who we are, what we think, long before they know us enough to have the faintest idea.
Not knowing, doesn't stop people assuming they do.
A shame really. Suspend that impulse to assume you know, long enough to actually find out... can bring rewards. Not doing that can bring a great deal of loss of opportunity and life experience.
Here's a vid that reminded me of all this.