It can be speculated that JJ currently just has this idea, but it doesn't mean he believes Jiang Siming can really write a suitable song for him.

The other party doesn't have confidence in him yet, and Jiang Siming, being a seasoned veteran, can see this immediately.

Therefore, when the other party doesn't show enough sincerity, Jiang Siming never wants to take the initiative to curry favor.

This kind of thing is about mutual willingness and respect, isn't it?