if he were the star in the episode , it would have shown slow-mo over and over again , his middle knuckle burying into siggi 's mandible , the movement of the slack jaw muscles , and then his head crashing down onto lydia 's shoulder as his legs bent , then weakened under him , no longer holding the six-and-a-half-foot frame , falling down directly on lydia , knocking her to the ground and pinning her there .