1. You leave clubs before the end to "beat the rush".2. You get more excited about having a roast on a Sunday than going clubbing.3. You stop dreaming of becoming a professional footballer and start dreaming of having a son who might instead. 4. Before throwing the local paper away, you look through the property section.5. All of a sudden, Tony Blair is not 46, he's only 46.6. Before going out anywhere, you ask what the parking is like.7. You buy your first ever T-shirt without anything written on it.8. You start to worry about your parents' health.9. Pop music all starts to sound crap.10. You become powerless to resist the lure of self-assembly furniture.11. The benefits of a pension scheme become clear.12. You actually find yourself saying "They don't make 'em like that anymore" and "I remember when there were only 3 TV channels" and "Of course, in my day...."13. You find yourself saying "is it cold in here or is it just me”.