“she talked to the elders who told her to obey your husband unless it goes against Gods direction.”
Actually That is WT policy. But what is Gods direction? Normally understood to be used if a complete ban on worship is imposed. This was a recommendation not a command.
I believe people do want they really wanted to do. He likely had a girlfriend and wanted rid of her. She probably wanted an excuse to disobey the controlling husband. Ce la Vie ....
Nb I know Witnesses in good standing who refused vaccination. It is a personal medical choice .