We all know what it means to be young - and boy do we think about those days a lot - but it's not always easy to tell if you are officially 'old' yet or not. Here are 15 signs to look out for. If you experience any of these calamitously funny symptoms you are almost certainly past your best...
You know you are old when
You know you are over the hill when
You know you are fading fast when
You know you are on your last legs when
You know you've seen better days when
You know your days are numbered when
You know you've got one foot in the grave when
You know life is passing you by when
You know you are knocking on Heaven's door when
You know you are about to kick the bucket when
You know you are about to bite the dust when
You know you are approaching the final curtain when
You know you'll soon be pushing up the daisies when
You know your last dance is coming up when
You know the end is nigh when
