He felt indifferent toward the Four Seasons Tree's protective stance over the old master and didn't feel jealous or anything of the sort.
After all, to the Four Seasons Tree, Heyun likely represented both master and creator. Such feelings were completely normal; he and the tree had only been in contact for so long, so it was understandable that it wasn't familiar with him.
Or rather, if the tree really devoted itself to him immediately without a single thought of Heyun, that would be a huge problem.
Loyalty is often an admirable quality that speaks for itself, without the need for words.
What bothered him was...the Four Seasons Tree's secrecy.
For the Four Seasons Tree, perhaps divulging or withholding something unreplicable didn't matter, but Song He cared a great deal.
The information held significant importance.