I am really confused. You are saying you didn’t gave polyamorous life style yet you said your marriage started as 3 people. You, your wife and her lover. You said you thought your wife liked it. Then years later you again are 3 people, you l, your wife and your lover (former nanny). So do you mean it’s open marriage not polyamorous marriage? Not saying it’s wrong but I am not sure you can say it’s not open or polyamorous marriage? It certainly is something that isn’t a traditional 2 people marriage.
How could 4 children live in the camper traveling the world? Don’t they have to attend school? Were they homeschooled?