John, your wieght is about the same in ratio to my husband's when he started this program/lifechage. He is doing oil. I am doing water. He feels the need to do larger amounts of oil than just the tablespoon. With so much to lose, he needs the boost. He has three Tablesppons twice a day. He has been encountering some nausea, but still says it is worth it as he has no appetite and is able to control his intake much easier. He has been doing this for three weeks and has already notched his belt down a hole.
Keep trying, and experiment with a bit more oil is my best advice. That may assist in the hungry feeling after an hour.