if this bead dont make him be able to get pregnant in the end i swear

Yeah Like whats the use with all of this

To be fair, I'm taking the increased nausea when mind control attempts as a sign. Cuz he didn't like the first time, did the second, and was boarderline sounding on the third. Like it's getting harder. But this could also be explained through reasonable plot, such as the dragon dude doing it a lot and the fox brother probably pulled a stronger spell to prove his point