Life is all about balance... and when you are starting an internet business, or running an existing business, it's really easy to put so much effort in that you forget to have any fun! Relaxation is paramount to not suffering business burnout. If you have a hobby or a pastime, don't let it go by the wayside. Schedule time in for yourself at least once a week to do something that has absolutely nothing to do with your business... or anyone elses needs.
If you don't have a hobby, or you are looking for something new, here are some great links to help you find some well deserved laid back time!