Since the beginning of the current COVID-19 pandemic, specialists were concerned about the potential detrimental effects of physical distancing measures on well-being. Loneliness has been underscored as one of the most critical ones given the wide range of mental and physical health problems associated with it. Unlike social isolation, loneliness does not depend on social network size, so it can be experienced even if surrounded by others, or not be experienced at all even if one is alone. In this article, (...) I propose that the feeling of loneliness might result from a closure in a person’s affordance space, i.e., in the whole range of affordances that might stand out as relevant to an individual with a particular repertoire of habits and embedded within certain sociocultural practices. I will explore three possible sources of this closure during the current pandemic, as well as some ways in which people coped with loneliness. (shrink)