You never had the greatest childhood....You just spent most of it surviving so without leaded you to not knowing what certain things are or not knowing more important things like reading

Armin was well very smart and knew a lot of things and read all the time and he seem to have lots of knowledge on almost everything

One of the few things you had in common were you both we're in the Survey Corp

On day Armin was sitting down in the mess hall reading a book with a a Rubik's cube next to him and you went to him stared at the object

"Uh....what are you doing...?"