If you want to keep your marriage alive then take Christina Aguilera's advice and make sure you keep going on dates with your husband long after your nuptials.
Gwen Stefani and Gavin Rossdale and Gwyneth Paltrow and Chris Martin are just two examples of US celebrities falling for the charms of British rock stars.
Christmas should be a time of celebration and reminiscing as people return to their family homes and remember past occasions and, according to new research, this means revisiting past relationships as...