Sorry to hear things went downhill for you after such a promising start to your day. I know how this sort of thing can happen though. You're feeling pretty darned good for a change &, suddenly, something just knocks the wind out of you. Are you familiar with the practice of compassionate abiding? It's my personal all-purpose remedy for anxiety, intrusive thoughts, sudden & unexpected onslaughts of depression, & self doubt / loathing, you name it. Here's a link to a description of the practice:

https://mindsetdoc.wordpress.com/201...e-abiding-101/