My second feeling – following on with indecent haste – was of disconcerting alarm. A grandfather? Me? But surely I’m far too young? Well, 54 is young, isn’t it? Albeit in a middle-aged kind of way. But certainly too young to be a grandfather. Apparently not. The average age of the first-time grandparent, according to research published by Saga, is only 49. How can that be possible?