The tremor in his voice shows how hard it is for Jörg to talk about the loss of his partner who died a few months ago after 25 years together. He has just joined a cooking group that meets regularly in a school building in a northern German city, created for widowers. “What else is there for me to do, otherwise I’d be sitting at home,” says Jörg, 60, as he stirs a pot of rice pudding to prevent it from burning. Guiding the men’s efforts, Winfried Marx provides valuable tips throughout the evening. The group, in the city of Lüneburg, allows members to meet others who have suffered similar losse…