You don't have to feel bad to act kindly. On the contrary: The less you suffer, the kinder you naturally become. And if compassion means wanting others to be free of suffering, how can you want for others what you won't give to yourself?
No one is permanently enlightened; that would be the story of a future. There's only enlightenment in the moment. Do you believe a stressful thought? Then you're confused. Do you realize that the thought isn't true? Then you're enlightened to it.