Of course Kylo Ren knows he's a crybaby, he complains about it all the time. Emperor Palpatine apparently loves to take on crybaby apprentices.

End the Jedi, and become what your grandfather Vader could not,” the undead Palpatine (Ian McDiarmid) tells Supreme Leader ...

The series is described, “After slaying his master, Supreme Leader Snoke, Kylo Ren is now the leader of the First Order, but recent events including his murder of his father, defeat at the hands ...