On the shopping list in old age:
Make a written shopping list based on the store where I shop. This is how I train my memory. Then by item groups fruit, vegetables, pasta, canned goods, dairy products, meat products, frozen foods, hygiene and
Detergent, drinks. Almost all supermarkets are set up in order. As you get older, it makes sense to train your brain at home and not let it shut down prematurely and atrophy. I leave the note in my coat pocket and walk around the store with my active brain.