Absence makes the heart grow fonder: social compensation when failure to interact risks weakening a relationshipKunal Bhattacharya, Asim Ghosh, Daniel Monsivais, Robin Dunbar and Kimmo KaskiEPJ Data Sci., 6 1 (2017) 1DOI: https://doi.org/10.1140/epjds/s13688-016-0097-x