"why it isnt normal?" because its fucking awkward to have a mother with same age as yours.
Yes its not valid argument but please tell me if you got any better argument
@Carmichael suicide in japan suicide mostly in their 20s to 40s. So yes you can blame her, but i get what youre saying, she is teenager who has unstable emotion and its even more of the reason to show her whats right and whats wrong.