Last of the currant jam

Lew busied himself making tea while Mum sorted out two jars of her better-than-Harrods jam. Marvelous. Mum did not think she would be able to make it anymore. Picking the berries had become a very hard chore for them both.
"All that bending. Too old for it now, son. Not worth it," Lew explained.
"Still, never mind, eh?" Mum was happy to move on and leave jam-making behind, somewhat resilient to the limitations age placed upon her.
"How's the blackcurrant bush doing?" I inquired, smiling, trying ...