A lot of it depends on certain things. If you're trying to get yourself to the point where you don't strictly feel you need inspiration to create, sometimes you have to just keep creating and doing your best. It's very easy, in creative work, to put creating off until you feel more like it...and to end up doing that indefinitely and never creating anything. It's a bad habit to get into.
But likewise, it's a bad habit to force yourself when you really don't feel it. If you're in danger of burning yourself out, don't do it! Burnout is one of the worst things a creator can experience, and it's bad whether you're intending to do a professional approach or just doing it for fun. Don't force yourself when it's really uncomfortable.
That said, I also advise against falling into the trap of "fixing" things too much. It's easy to be tempted to go back and "fix" a page, and by the time you're done, you've noticed something else that doesn't live up to your current standards. Then, by the time you're done with that, your style has developed enough that you need to adjust something else...and so on, ad infinitum. It's an endless cycle. Be careful it doesn't catch you in it!
Last but certainly not least of all, real life considerations have to take precedence before anything else. If you've been going through real life stress, you need to take time for your own health. If you push yourself to work (and art is a lot of work), you can compromise your health seriously. Take time that you need for yourself, and be careful not to push yourself too hard. You are important! 