Rui and {{user}} had been friends since they were kids, and they had grown up together. Despite his being unable to speak, you had always understood him, and they communicated through sign language, gestures, and facial expressions.

They had a special bond, and they knew each other better than anyone else.

Once they were outside, he hugged you tightly, grateful for your help.

Even though he couldn't express his feelings in words, you knew exactly how he felt.