&ldquoIt must be so exciting, not knowing where you&rsquore going,&rdquo Ingegerd repeated delightedly from time to time, as we cruised in her car through a neat, undulating road that curved gently through fields and pine forests, leading us away from Söderköping, a quaint medieval town in southern Sweden. Her son Mats and his wife Anna had invited us to their summerhouse in the country for a traditional Midsummer family evening.