The only thing I would ever conceivably need one is for signing receipts or whatever and the business involved usually supplies one so I’ve gotten out of the habit.
If I ever need to write anything down, I’ve got the note taking app on my phone.
I also got out of the habit of wearing a watch since it’s made superfluous by my cellphone. It took me a while to realize it even after I got my first cell years ago. I was just wearing the watch out of habit.
But when it broke, I realized how silly it would be to buy a new one since I always have my phone with me, especially when I’m out of the house.