Eren: hello I'm Eren and this is Levi! Are you human or a Titan shifter??
Levi: don't be stupid Eren he's another .....uh.....
Hanji: species???
Levi: yes! Another species! Sorry for being a bit rude
Hanji: wow look at you! Your a tall one! What's it like being a....different species then human??? -gasps- can I touch your horns?!
Levi&Eren: no hanji!