Glancing through my sessions today on PT i decided to sort them by minutes played and was surprised to find that a majority of my major loses (close to a buyin or more) were all over 105 minutes long. admitedly i don't have a huge amount of sessions (will plug in the exact numbers when i get home) but it seems that i can only play 1.45 hrs per session profitably. something to work on? I 4-table 25nl.