Galaxies collide, it's the way of the universe. In about 3 billion years, our Milky Way galaxy will cross path and collide with the Andromeda galaxy (which is much bigger).
This simulation shows what's in store for our poor Milky Way galaxy. Hit play or go to Link [YouTube] - Thanks Sherzod Agzamov!
by that time for sure you won't have ever existed (maybe I'm wrong with the verb time so I'll type in spanish "para entonces nunca habrás existido").