Yeah, sometimes 'too optimistic' people can be a bit grating, especially if one's been feeling down...
(My dad says, 'Trouble with people is, they're not always cheered up at the same time'!!)
Think about it. Just read the 'How do you feel' threads here on this forum... Sometimes someone is 'up', and the other person is 'down'... I honestly don't know anyone personally or online who would 'never' have problems or would be always 'up'... (They may look it if you don't know them enough!!)
Facebook or one-night get-togethers can be a different thing, yup.. Lots of 'advertising' there, yup...
People carefully edit what they write or say...
I've read some articles on the whole optimism/pessismism thing, and there seem to be different opinions. While some 'new age' books seem to advise 'optimism', most do say it's okay to acknowledge and FEEL negative feelings too... There was a study somewhere too I think, that if (eg very ill) people are feeling negative, pretending to be positive can actually be more stressful... (They can sometimes try to be 'brave' for relatives..)
Some 'whining' and expressing negative emotions can actually be healthy, if it's not excessive... I think they said about 1/3 of all conversation or so - it's understandable to be miserable a few times or a few weeks, it can be difficult for people if you're miserable/negative/very critical 'all' the time... especially if they care about you and want to help you... You can be sort of neutral or even upbeat in conversation even if you're really miserable, eg if you acknowledge good things too, not just focusing on negative... I may have sounded way upbeat on this forum when I was feeling very miserable too lol.. Because I just admired other people and saw potential in them and their lives...
It's good to see how people really improved their lives, if it's genuine, gives hope... If you feel really bad, maybe reading about people who have it worse off can help more though?
There's even a book about 'the power of negativity', and Barbara Sher writes about it too: to list 'wishes and obstacles' and then brainstorm on how to reach those wishes, and get people to help too...
When I changed nutrition a few years ago, I did feel really upbeat tough lol, so then I could 'understand' the too-upbeat people lol... I felt GREAT (but it gave me rheumatism lol, so I need to find a balance...)
Clown, try another doctor/therapist... Have you read any books or seen a nutricionist/dietician yet? Support group/s? Hiking? Less computer/internet time?
It's great you're working and can keep a job!! Many people on this forum (or elsewhere) can't even do that!! Wishing you good luck with other things too!!