I want be a shark... advice?

I really need help from people who got experienced and know to deal with mean, harsh bullies and low key haters
The society would kill people like me weak people don't get up again so i decided to turn into a shark so I can eat people before they think to eat me
I don't mean turning into a bully or something I just wanna be strong and confident and savage and know how to deal with my mental breakdown without fearing again I want be fearlessl I don't want give a shit so please really please help me with ur tips steps way of thinking anything I just don't wanna be the society victim anymore
I want be a shark... advice?
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