It's the honest truth, he genuinely had no interest in noble daughters who could only be looked at but not touched.
Unlike Isabel and those kinds of singers, even if they were invited into the room, it would only be for a sensual affair.
If he gets involved with a lady of equal or higher status, his fiancée would never allow it.
It could easily result in failed marital alliances, and instead cause enmity. After all, for nobles, singers are just actually toys.
Her father-in-law has taken care of many, Melissa's ability to endure has probably been exercised by her father's actions.
However doted upon they are, singers are always singers, they can never threaten the position of the lady of the house.
But if it's a noble lady, it's different. This extramarital affair, if pursued, could easily result in the mistress overthrowing the wife.
Although divorce is not popular in Aslante, they still have widows!