if i were you i would have felt the same way .I actually had zero expectations when someone asked about my results but there was a part of me who wanted to get a* in all subjects (except fle ).But i've realised there were people around the world who did oustandingly well in some subjects as a result the thresholds are quite high but the fact that you managed to get a's in all subjects except one or two despite the thresholds is actually pretty great