What dgp and Lozhasleft said. I know that JWs are up for any kind of Bible study because my ex-SIL and I corresponded regularly for years and after a few months she'd say "that's the family news; now for the study. . . ". Didn't even know what is was in those days!
When I didn't "progress" she set the locals onto me. We lasted another 8 months, and then they abandoned me to Satan also.
The key is, do you validate their faith by "progressing in the Truth" (aka "growing spiritually" ), or make them uncomfortable by asking too many questions and failing to accept their "authority".