a) Prospective longitudinal study: - Survey 1rst wave in 2012, second wave in 2014, 3rd wave in 2016 - Testing of latent transition models for the 3 groups (divorced, bereaved and married); - mediator- and moderator-analyses (role of resources and stressors). b) Intervention study for overcoming vulnerability (2016): Randomized controlled study carried out in 2016 with a pre-post design and a follow-up of at least 3 months: 2 intervention- and 1 (waiting) controlgroup; 50 participants each.