If there's anyone being "lazy" and "prideful" it's him.
Boram got sick because of all the stress. Qri has been perfecting her Japanese so they can promote better there, and not to mention her singing skill, which has improved a lot since the I Go Crazy Because of You days!! I'd be a mess if they left.
It's time to love, not time to change everything and create hateful tension everywhere, just saying.