How should I react when I get bullied by my brother?

Becky123456
I get bullied emotionly and a bit physicly but nothing huge. i don't know how am I supposed to react I've got good comebacks belive but it is just that once I say them I get beated and treated like shit and my Parents aren't capable of getting to him since he is the only boy and he is bigger than my with 7 years I don't know why he does that.
How should I react when I get bullied by my brother?
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