With severe, constant pain, it will absolutely change your mood. You have nothing to apologize for.

Regarding the sympathetic block, failure to get the droopy eye, can mean that you don't have RSD, but it can also mean the block wasn't performed correctly. Had the doc that performed the blocks had experience with RSD previously?

I understand that you don't want to upset you're loved ones, but you also shouldn't suffer alone, in silence. One of your family members might be able to be an advocate for you. There is always someone at NT that will listen, and provide support as well.