Editing the magazine was a revitalizing experience for Berkman; his relationship with Goldman faltered, however, and he had an affair with a 15-year-old anarchist named Becky Edelsohn. Goldman was pained by his rejection of her, but considered it a consequence of his prison experience.[87] Later that year she served as a delegate from the US to the International Anarchist Congress of Amsterdam. Anarchists and syndicalists from around the world gathered to sort out the tension between the two ideologies, but no decisive agreement was reached.