usually book 1hr parties. but 90min seems to be the sweet spot. but like Jack said, thinking with the big head before hand, I would schedule a 60min for most parties, but if I know the girl 90+ always seems to be a better party. I have maybe not been thinking so much with the big head and had a longer party twice I think and they turned out great, couple 60s that didnt need more. but like my top 3 fav girls, I need to make sure to remember/budget for longer parties. makes it no pressure or rush. talk, massage, just take our time and enjoy myself.