It's a big commitment! Can u do it? Yes! And I will say, there is no greater feeling than finishing the training and finishing the marathon! Big accomplishment!!
Hey, not to spam your blog but I don't know if you remember the post I did "interested vs. committed". Kinda gives the down and dirty of training. Probably more than you need to know but you may want to skim over it. http://tootallfritz.com/2011/12/07/interested-or-committed/