As I was saying before, the lightning is directed in a way that captures the age of the speaker on their faces, their faces are weathered, wrinkled and aged in general. The lighting is also warm and natural, so it depicts them as old, happy people. This allows for audience pity due to the fact that they are obviously old and nearing the end of their experience on Earth. Even at the beginning of the commercial one of the older ladies states "stay young" this evokes a sense of compassion towards her due to the fact that she is talking to a younger person