For two persons living together, even if one indlicts upon the other deadly injury, fraternal love and mutual trist naturally raise between them, as in the case of the Chandala and the dog.
ब्रह्मदत्त उवाच संवासाज्जायते स्नेहो जीवितान्तकरेष्वपि।  अन्योन्यस्य च विधास: श्वपधेन शुनो पथा॥