I think the reasonable solution would be to have a place to record all the possible tasks you have available, but you only go to it when you add things or need

I think the reasonable solution would be to have a place to record all the possible tasks you have available, but you only go to it when you add things or need a new task. Have it separate from your todo/doing list, so you don't always have an endless list of tasks smacking you in the face.