What DEJA VU really is

We can all see the future, shut your whore mouth.

Brain glitch. Maybe it'll get fixed in the next patch.

Nope, that's not how ir works

but then how do you explain when it happens to multiple people at the same place same time?

<citation needed>

When I became aware of this I stopped having deja vu's

There are many theories for why people have a déja vu and scientists still don't know the right one.