Every rotation, she diminishes and I increase. I will be my sister’s grim reaper. I can imagine that, at first, our parents were ecstatic. A twin star birth would be a powerful one, enough to increase our galaxy’s standing against our neighbors. Then I and my sister emerged, not the promised identical twins of legend, but ever so slightly mismatched. Already, she is an orange-red subgiant, doomed to a cooling core.