Similarly to your dry aged steak anecdote, I has two bottles of the same brand of port, one aged 10 years and the other 20. The 10 year tasted great to me, but

Similarly to your dry aged steak anecdote, I has two bottles of the same brand of port, one aged 10 years and the other 20. The 10 year tasted great to me, but once I had it alongside the 20 year, I realized the 10 year had a somewhat unpleasant aftertaste which I hadn't noticed drinking it on its own.