’Have to remember that.’ He thought, the blood high kept going throughout most of the day but he could feel it ebbing and its effects lessening. He wasn’t sure if it was because of the amount he took or blood highs in general just didn’t last long, his only frame of reference being the fight on the train and when he had drained Geoffrey. The fight he had the high beaten out of him, the one he had gotten from Geoffrey had been more muted in its effects, it increased his strength tremendously but he had few opportunities to test the rest of the effects griffon  blood gave him. He did notice the absence of enhanced speed, although the enhanced perception and euphoria remained. 