 Off the field, Christensen was known to be a bit too fond of alcoholic beverages, and his game began to suffer from bad form and lack of speed though his passing skills and technique were still making him an important part of the Frem team.In his time at Frem, Christensen helped the club win the 1940–41 and 1943–44 Danish championships.He played a total 139 games and scored 23 goals for Frem, before ending his career in November 1947, 29 years old.