Give the 5LL a chance. There are Biblical references, but nothing that can't be understood by all.
If you can work together on it. That would be great! I have my 'issues' with the woman submitting to the man in the relationship too. I don't have a problem with the man being the leader IF there's a togetherness not the possessiveness of the historic religions or some of the religions we're seeing in other places in the world.
Strive for that "working together" not serving each independently. 5LL should work well IF the both of you do it together, not taking passages and fingerpointing.
Pls post here often describing your experiences. [[[hugs]]]