 We need to look out for one another, so reach out to family, friends, colleagues, strangers who hope that they can use a high five. Public health wants us to connect because everybody needs somebody sometimes. Dr. Patel also tells ABC's Diane Macedo there are a lot of different definitions of loneliness and different ways we can all overcome it. Dr. Patel, from a public health perspective, is there a clear definition of loneliness?