Brain scans can accurately identify your friends in groups of people, because the scans match!
You Share Everything With Your Bestie. Even Brain Waves. [nyti.ms]
No wonder we are perfect for each other, too bad we are both straight.
I have no idea what my sexual orientation is, if any, since I'm demisexual (only sexually attracted to one person at a time and only after a protracted relationship of over a year).