I recently discovered how much more efficient I am, as a writer, when I set weekly goals instead of sticking to daily ones. Don't get me wrong, I am a fan of the write daily philosophy, but recently I've been falling into a weekly routine. My daily goals used to be around 1200 words, which only add up to a little over 8,000 words a week. Instead of religiously following this habit, I sort of adapted to a 10,000 word per week routine, which offers a little more flexibility, and greater results. What this allows is the occasional off day.
Instead of stressing out about reaching my daily minimum, I'm able to have a really productive day, where I knock out around 3,000-4,000 words and then have a day where maybe I write 500. I like to read every day, and having a weekly goal for writing let's me have a couple days a week where I can sit down stress free for 3 hours and pick up a book (usually before bed); it also lets me unwind with a little late night Xbox instead of freaking out about how many words I've written.
Writing routines can change. As I've said in posts before this one, it is important to find a routine that fits your lifestyle. Writing daily is not always the most efficient process. It works well for a lot of people, and it may work well for you, but if you're unhappy with your results it may be time to change the routine. As Einstein once said: "Insanity: doing the same thing over and over again and expecting different results."