[Note: salted fish = person with nothing to do.]
Nanfeng and the other two reckoned Fang Zhao was making a fuss over nothing. Meanwhile, there were others who christened Fang Zhao as "dog slave".
Fang Zhao didn't care what others thought. He needed people to watch Curly Hair at all times. One person wasn't enough. He was still worried with three.
In the natural world, wild animals had no qualms eating food presented to them.
Even though Curly Hair was domesticated, things could still happen if he was tempted. It would just take one bite.
If Curly Hair licked that dog today, who knew whether he would directly swallow that dog the next day.
It wasn't that Fang Zhao always feared the worst, but it was best to take precautions.
To Curly Hair, were those spaceport service dogs the same species as himself?
No!
They were food!