I disagree with Because of the horcruxes, Voldemort was never dead. He only used the potion to give himself a proper body again. Like Dumbledore says, no spell or potion can bring back the dead.<< But these are all facts
Harry Potter was saved by a mother's love more than once. Harry may not of had his mother but he had a lot of comfort from mother like figures. Whenever Harry needed comfort it was always from a mother figure.