וַתֶּאֱהַ֛ב מִיכַ֥ל בַּת־שָׁא֖וּל אֶת־דָּוִ֑ד וַיַּגִּ֣דוּ לְשָׁא֔וּל וַיִּשַׁ֥ר הַדָּבָ֖ר בְּעֵינָֽיו׃
And Michal Saul’s daughter loved David; and they told Saul, and the thing pleased him.
Read Jewish philosophical commentary on I Samuel 18:20: and classical philosophical sources.