I'd complained for months about our old mattress to my wife, even cut a spring out that had found its way through the cover. So when I got the Simba it was very much dismissed at my whim. Within a couple of weeks she'd buckled like a belt and admitted it was one of the best decisions we'd ever made????? No longer my decision it was ours. I care not I got a new mattress. More that it is awesome, never once considered the trial period. Do it you won't look back.