With all the gloom that pervades the media these days, I was beginning to become despondent.
And then my daughter sent me this photograph of my Californian grandchildren, the twins Kiki and Harry, dressed up for some formal occasion.
When I saw it, "my heart soared like a hawk", as Chief Dan George exclaimed when his grandson reappeared after a long absence.
So, much as I want to be a Grumpy Old Man these days, I realise that there are forces conspiring against me, causing - as in the case of this photograph - a big smile on my face and a warm glow in my chest.
I know when I am beaten: I will just have to put up with being serene for a while.