Thanks for the advice, hevykevy. I try to do what you suggest every day. I think I get tunnel vision, and convince myself I need to finish things in one go, then beat myself up ( which is tiring in itself as I’m a pretty poor fighter) when I can’t. However, I can at times catch myself before that happens. Got a new iPhone and was struggling with a couple of problems at one time. Thank gods and goddesses that I opted for the assistance program. Was chatting with a tech and (he/she) was very patient and helped me a great deal. I was weary after getting one problem solved, so my ticket was left open for 48 hours. I talked to someone yesterday who was very impatient and brusque with me. I panicked after I thought I understood what they were saying and left the chat.
On a lighter note, I got myself a paint by numbers set depicting Frida Kahlo and I get to paint outside the lines! My hands twitch unexpectedly. Also got a book with a ton of puzzles in it and have enjoyed using that.