Union and separation : love stories are never simpleFuzzy states and complex trajectories : observation, modelization and interpretation of life historiesAntoine, PhilippeAdjamagbo, AgnèsAmétépé, F.Béguy, D.Dial, FatouFerrand, M.Tichit, C.DEMOGRAPHIEBIOGRAPHIENUPTIALITEETAT MATRIMONIALLEGISLATIONNORMETRADITIONCELIBATDIVORCEFAMILLEFECONDITECOMPORTEMENT SEXUELGROSSESSEPRATIQUE SOCIALECHANGEMENT SOCIALANALYSE QUANTITATIVEANALYSE QUALITATIVEENQUETE BIOGRAPHIQUEUNION LIBREPERCEPTIONFAMILLE MONOPARENTALESEPARATIONRELATIONS CONJUGALESRELATIONS EXTRACONJUGALESINEDCEPEDAntoine, Philippe (ed.)Lelièvre, E. (ed.)2009texthttp://www.documentation.ird.fr/hor/fdi:010045768oai:ird.fr:fdi:010045768Antoine Philippe, Adjamagbo Agnès, Amétépé F., Béguy D., Dial Fatou, Ferrand M., Tichit C. Union and separation : love stories are never simple. In : Antoine Philippe (ed.), Lelièvre E. (ed.) Fuzzy states and complex trajectories : observation, modelization and interpretation of life histories. Paris (FRA) ; Paris : INED ; CEPED, 2009, p. 55-76. (Méthodes et Savoirs ; 6). ENFRANCEAFRIQUE SUBSAHARIENNETOGOLOMEBENIN