How to say this grammatically proper.
I don't use or borrow other's stuff just to show off saying it's mine.
I don't use or borrow others' stuff just to show off saying it's mine. This is acceptable in colloquial English, in my view. The grammaticality of the connection between "saying it's mine" and the rest of the sentence might be questioned in formal English, but clearly this is not a formal sentence.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
I don't use or borrow others' stuff just to show off saying it's mine.
This is acceptable in colloquial English, in my view. The grammaticality of the connection between "saying it's mine" and the rest of the sentence might be questioned in formal English, but clearly this is not a formal sentence.