But there is always someone who bucks the trend.
So let me introduce you to Ellie.
Ellie is about 55 years old.
When I was quite young Ellie was quite a big part of my life.
But, as often happens, things change, friends drift apart and lose contact.
Although I lost contact with Ellie, I never really forgot him. I occasionally thought about him, mostly around breakfast time.
Imagine my surprise when my sister Ann recently told me she thought she knew where Ellie was and asked if I would like to be reunited with him.
Last Thursday, thanks to Ann, Ellie turned up at my door, after a long journey.
I was delighted to see him, he hadn't changed at all and looked every bit as good as he did all those years ago.
You'd think something would change after 47 years, but not Ellie.
and here he is: