Perhaps you care to elaborate...if not, then ask yourself:
Why do Frenchmen behave like Frenchmen
Why do Germans behave like Germans
Why do Gambians behave like Gambians
Why do Norwegians behave like Norwegians
Why do Nepalese behave like Nepalese
Why do Venezuelans behave like Venezuelans.
Get the point?
With decorum.
they behave like idiots
They behave like very fierce and very angry.
ducks behave like kid
They behave like any animals.
Samurai's behave like Japanese warriors.
You should behave like YOU, but do be loving and charming
they behave like typical squirrels.
they behave like lions as they hunt falcons hunt to
Like yourself
if you want to behave like a woman act sissy
The robot which can look and behave like human is called a Humanoid Robot.