When you grumble about Edith Bowman escaping from Radio 1 to Radio 6
When you grumble about Sarah Cox escaping from Radio 1 to Radio 2.
When Pop Master is the highlight of the lunchtime shift.
When you consider Radio 4 to be an enjoyable wireless station.
When you listen to co-workers younger than you grumble about aches/tiredness/etc and think to yourself "I had more energy than you when I was your age laddy."
When you look forward to an afternoon nap whilst on your break between shifts.
When co-workers suggest going out on the lash and your first thought is "I really don't fancy a two day hangover; I'd rather have a couple of quiet drinks at home and be in bed at a decent time."
I may be the wrong side of 30 but I'm still the right side of 35; I'm not old