It is a trick of the brain when 2 people can be experiencing the same circumstances and one person enjoys themselves while the other does not. Or the same people can participate in a familiar activity and on one occasion
Lately, I've found myself recoiling at the term 'middle-aged'. I even have a hard time saying it. Similar to the proverbial character on the big screen who stutters over a word which they find so unappealing, all for dramatic effect.