I tend to date my relationships from the day we decided (discovered? disclosed?) that we were in a Relationship. So while I have been married for 25 years I give what little anniversary interest I have, to the date years earlier when we sat down and agreed we were together.
As to the octopus thing- We were dismayed to discover that as one ages one's whole inner ear dizziness system can change such that rides which were a blast when we were young made us ill by the time our youngest child was old enough to ride the spinning type of ride