Think we've had this discussion elsewhere. Food needs vary by rider. I eat very little before a ride. On the 50-60 mile rides we often do, I frequently eat nothing till mile 5. I eat half an energy bar about every 10-15 miles. It works very well for me. I hate having a full stomach while riding.
"My predominant feeling is one of gratitude. I have loved and been loved;I have been given much and I have given something in return...Above all, I have been a sentient being, a thinking animal, on this beautiful planet, and that in itself has been an enormous privilege and an adventure." O. Sacks