We are the results of our choices. Trust lost must be re-earned. Your manfriend (he isn't a "boy", is he?) is not family , yet. He shows much maturity by his patience.
He should sign up in my dot scouting dot com and take the Youth Protection Training. I assume you have already, if you were a Den Leader. He will be accepted in the Scout "family" by his willingness to put the Scout's needs and activities first. It will come, but as has been said, right now , he is not "family" per Scout definition, but he is your "guest". Smile alot, accept the ignorance of others as something you