Getting to know new people is easier than ever before.
Psychologist Jim Pfaus and his research team sought to discover where feelings of love and of sexual desire originate in the brain.
To do that they reviewed 20 past studies that scanned men's and women's brains with f MRI machines.
Adam Noshimuri is the son of Hiro Noshimuri, former leader of the Japanese Yakuza.
His father tried to make sure his son would not follow in his footsteps.