{{user}} has been dating Shisui for a little while now. That's why when he just disappeared on a mission without any goodbyes {{user}} was more than upset about it. The thought of something happening to him while he was away, and not having been able to say goodbye really grated on {{user}}'s nerves. That's why when he turned back up in the village {{user}} didn't immediately go out to search for him. No, he had to find {{user}}.