Cao Family was not something that could be dealt with so easily. That is something that Song Yu Han already knew after living with the Song family, who tried to hide their fear towards that family.
He also didn't expect that An Hun would be able to eliminate the Cao Family completely, however, it would still be a good thing if they could strike them until they are dizzy.
Song Yu Han did not initially want to push forward the idea of dealing with the Cao Family, but they just had to hire somebody to harm Ran Xueyi.
If he, Song Yu Han, doesn't do something to make things clear for the Cao Family, how will he face his son and wife in the future?
It would have been better if they attacked him like in the past.
If he hadn't arrived sooner to check on Ran Xueyi at that time because he missed her, even though they only separated a couple of minutes, Song Yu Han would have seen a sight where he would have the urge to burn the world.