You cant have happiness without its opposite. so it is impossible to be happy all the time. Happiness is a state of mind, it doesnt exist on its own and it isnt brought on by external things, but rather our reaction to them or our own personal prefrences regarding those external phenomena.
Rather than try and "work karma out" we should try to break free from the bonds of karma, which comes with enlightenment, awakening, nirvana, bodhi, and so on.
Rather than try and "work karma out" we should try to break free from the bonds of karma, which comes with enlightenment, awakening, nirvana, bodhi, and so on.