Don't be so sure is useless because e.g. MoanaLisa described a nice way to deal with Entertainment time and I think I offered some ideas as well. I don't find myself having a problem to the extend of someone finding it extreme but I find it extreme myself. I can not play video games at all (e.g. WoW is not even installed right now) but when I do play them I tend to spend way too much time especially if they are good or sneaky with farming manipulation.
- - - Updated - - -
True since that's part of the enjoyment of completing tasks. Tasks is how I started the thread. Completing any of them feels good (dopamine being one of the reasons (there may be at lease one extra hormone playing a role)) so an alternative is to do other tasks since life is filled with them (and if you find the ones you have gigantic you can break them down or find others).