Even thought I often feel ready to run, I have learned to pay attention to my running schedule and not to over due things. This lesson came after more than once instance when I decided I felt ready to run so why not do just that. This lead to a number of injuries that were avoidable. As with all things in life, it is possible to get too much of a good thing. A smart athlete considers not only do they feel like doing something but is the exercise investing in the long term.