וְהַמֶּ֣לֶךְ דָּוִ֔ד שָׁמַ֕ע אֵ֥ת כָּל־הַדְּבָרִ֖ים הָאֵ֑לֶּה וַיִּ֥חַר ל֖וֹ מְאֹֽד׃
But when king David heard of all these things, he was very wroth.
Read Kabbalistic (mystical) interpretations of II Samuel 13:21: Zohar and classical Jewish mystical sources, free online.