With signal on, the rules of contact is simple
anything that hit from your front seat door to your front
lights, is your fault because your are deem not giving way to the
on coming traffic
anything that hit from your passenger door to the rear, is his
fault, because he never give way provided you had signalled your
intention to move out.
Therefore, even if you think you die die do not want him to cut
Q, make sure when hit, it hit your passenger door or the rear.