There's "loyalty to Jehovah" and "Jehovah first" talk going on constantly in person and the publications,
This is regularly applied to as "THE RELIGION first" over everything and everybody (including self)
This is applied and rationalized differently by every jw,
Her deceipt re pioneering sounds like she's rationalizing "loyalty to Jehovah over loyalty to hubby,"
If you tried to curtail her Witness activity enough, they have a rule on the books that she can leave you on the grounds of "absolute spiritual endangerment" (Everyone applies this differently),
I'm not trying to scare you but just give you a heads up, it's a weird wonderland in there,
All the best,
Write as often as you like,
We like to help out where we can,
:0)