David and I are learning Latin together through the North American Cambridge Latin Course. We are half of the way through the first book, which focuses on a family who lived in Pompeii when Vesuvius blew its top. I prefer this program to others because it is about as close to a Charlotte Mason approach as you can get. They even offer an audio CD for those of us who do not know any Latin native speakers (wink, wink). From the very first lesson, you are reading stories and deducing the grammar and syntax before the book explains it. Of course, one great reason to teach Latin is to enrich one's vocabulary. Plus, the stories in this course are entertaining with the bonus of learning more about Roman culture. We look forward to reading about Britannia and Egypt (Unit 2), Britannia and Imperial Rome (Unit 3), and Emperor Domitian and an anthology of ancient prose and poetry (Unit 4).
That all sounds great, but here is the REAL reason to teach Latin. Whenever we expect upsetting news, we prefer not to share it with Pamela until it is a known fact. Steve just called from an airplane, in which he has sat on the ground for the past few hours, and told me he might come home. Ordinarily, that would thrill Pamela, except for the fact that he will have to leave tomorrow, which adds one more day to the trauma of him going on a business trip. You see, she loves her daddy and misses him terribly when he travels.
David overheard my conversation on the phone and asked me what happened. If I say too much, Pamela, who has bionic ears, might get upset over nothing, for the plane may very well leave tonight. So, I told David that something might happen because Steve is getting "Jet-Blued." Then, I added, "pater ad villam venit." Later, Steve called again to let me know where he was staying overnight (a change in plans which Pamela hates), so I told David, "pater in Atlantam dormit." And, he got it without "big ears" having an unscheduled meltdown!
That may not convince you to learn Latin, but it works for me!