Commit to taking care of yourself - Set goals and decide you will meet those goals and then refuse to let other things get in the way. You will be happier in the end.
Today - I had other people's actions put me off track. I considered not doing my afternoon exercise, just so I can get the work done. But, I have a streak at work - and one at home, that if I didn't do my exercise I would have broken both. I refuse to let work get in the way of me any more!