The common conception is that motivation leads to action, but the reverse is true -- action precedes motivation. You have to prime the pump and get the juice flowing, which motivates you to work on your goals. Getting momentum going is the most difficult part of the job, and often taking the first step is enough to prompt you to make the best of your day.
Somebody should tell us, right at the start of our lives, that we are dying. Then we might live life to the limit, every minute of every day. Do it! I say. Whatever you want to do, do it now! There are only so many tomorrows.