I have never cruise more than twice in one year. We only did that twice.
We usually cruise once a year and since we do many other trips, I don't expect to do more than that.
Carnival Liberty New Year's Eve 2007
Liberty of the Seas 5/2008+11/2009
Allure 1/16/ 2011
Vision OTS 2-14-2015
Freedom OTS 3/6/16
Booked -Harmony of the Seas. 12/31/16