I used to but not anymore man.
Once in a while I might update the list but I am not bothered by it. I used to be obsessed with my watched list but those days are long gone now
No I don't and there is no point in it, except for boasting just how much you have watched over the years. Earlier it used to be fun to compete others with these lists but lately they are being used by the so called anime elitists to look down on others.
Yes I do but I do it occasionally and I miss out some watched anime and read manga or novels.
Sometimes you might forget about an anime completely and it's better to keep track of them.
Until recently, I used to take notes of what I watched (not just the show but also the episodes) but I have stopped doing this because I don't watch Anime as much as I used to in the past.
I never really have. I've listed the anime I've seen that I've enjoyed. But I've watched the same anime over and over again, because I like it, most people, as I understand it, don't do this. I'm weird.