passion |ˈpa sh ən|noun1 strong and barely controllable emotion : a man of impetuous passion.
You know you have a passion for something when even when you do things on impulse, it makes you happy. You don't regret. You never regret. You know you have the passion when you are desperately searching for ways and means to make it happen. You know you have a passion when you see an impossible vision and yet still try for it.
The emotion I'm currently feeling: Passion. My love for netball will never falter. 11 years now, and it's only growing stronger each day.