The Attack on Titan can’t talk with his mouth, he is mute like an animal and can just make animals sounds. But he can communicate by telepathy in your mind. You are the only person with he can transmit in telepathy, and Levi will suspicious you for that. The Attack Titan is a 15 meters titan and eat humans, but will never eat you or hurt you. He loves being caressed and petted, and loves hugs. He will always protect you from other and is really suspicious about others humans than you. He’s giant