It might be more appropriate to use the older couples as a baseline and say that young couples pay an abnormally high amount of attention to one another's prefe

It might be more appropriate to use the older couples as a baseline and say that young couples pay an abnormally high amount of attention to one another's preferences. Same findings, just a different way of putting it. The level of attention young couples pay to one another is probably just so high that it's unsustainable and fades with time.