Josuke spots the terrible and violent villain Angelo's Stand, and tells Jotaro about that incident. Jotaro figures it's a Stand that can somehow enter people, so he warns Josuke to not eat or drink anything until he can get to him. Right when he's told that, Josuke witnesses the Stand go into his mother, and then does the unthinkable.
Don't get cocky!
!إيّاك أن تغترّ
So aber nicht, mein Freund!
¡Que no se te suban los humos!
¡Que no se te suban los humos!
Tu t’y crois pas un peu trop ?
Ma chi cazzo ti credi di essere!
Pare de se achar o tal!