If there's one thing the COVID-19 pandemic has underlined, it's the importance of looking out for each other. But these days the network of our relationships is so vast, so complex and so riddled with competing interests, that it can be hard to pin down exactly what "looking out for each other" requires. This week we met a philosopher who believes that an approach known as "care ethics" can guide all of us in our moral decision making, regardless of gender or class or the particularities of the dilemmas we face.