Passion has little to do with euphoria and everything to do with patience. It is not about feeling good. It is about endurance. Like patience, passion comes from the same Latin root: pati. It does not mean to flow with exuberance. It means to suffer. C.
"The dog of your boyhood teaches you a great deal about friendship, and love, and death: Old Skip was my brother. They had buried him under our elm tree, they said—yet this wasn't totally true. For he really lay buried in my heart." ~ Willie Morris, My Dog Skip