You should really only read this if you've already seen Avengers: Infinity War, as be warned - there are spoilers ahead.

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Got it? Good.

If you have seen it, you'll know that there's a particularly sad part near the end, where the evil Thanos destroys half the universe including most of the Guardians of the Galaxy - except for Rocket Raccoon, who watches as his BFF Groot (nooooo!) begins to crumble into dust.

Before he died, however, Groot had time for one last message for RR, which came out, as everything else did, as 'I am Groot' - but now Guardians director James Gunn has revealed what it translated to... and you best prepare for it, as it'll make you weep: