Put out the money and buy some sticky notes--go home, write down your goals/rewards/etc, then post your sticky notes around the house where you know you will see them and have to read them.
They say it takes 30 days to learn a new habit or way of thinking, but it takes lakes with this trick.
When feeling stressed, "tag off" to your spouse/partner and step away for a moment. If you are an only parent, step back for a moment and count to yourself to allow yourself to calm.
Sometimes it is difficult to "find time" to exercise, more often than not due to letting outside things influence.