That romance wouldent contribute ?... Errr have you played the BG games at all ?... All BG games has since its dawn had Romance mechancis part of the game, as everything else get grafical, so does the Romance mechanic... In BG dident one of the comapnions have a Baby ?... alot of content, is created around the companions for us to enjoy...
Someone at Larian spent alot of time puzzling together all those romance quest lines, and how it also can indirectly and directly entwine with the main story...