We were on Monarch of the Seas over Christmas and had dinner at the captain's table with the hotel director, whose name escapes me at the moment. We LOVED it! We think it was the Loyalty Ambassador who got us the invite because we had an issue with our loyalty status. At our table there was a couple who had been on 50+ cruises with RCCL, an elderly lady (who mostly talked to the hotel director, so I don't know her story), and a couple who were engaged and it was their first cruise. I do not really believe that the number of cruises you've been on determines who gets an invite. I believe that there are certain staff members who make recommendations to the captain (or his asst), and it is decided from there. We had a great time!