They're falling~
He has a point. By trying to put the spell on him again, she's effectively trying to get rid of him.
On the other hand, I wonder why he doesn't realize that a woman you once tried to mercilessly kill would feel unsafe around you when you show her nothing but scorn except when you're under a spell?
Either way, he's Rowan now, and opening up to her properly. She clearly likes him enough to not want a divorce beyond her own safety.