Hope can take down a skyscraper if there's enough willpower behind it.
Find people who you DO like hanging out with, and people that like hanging out with you. There's other pessimistic people out there, and the old adage speaks some truth - misery loves company. Lots of people suck, period. The world needs more satirical, skeptical, pragmatic people. Also, isolation only exacerbates a strong self conscious, and I know this from personal experience.
Everyone with half a brain and a realistic look on life has contemplated ending it. Don't dwell on it. This society does suck major ass, but offing yourself isn't going to help. It's just going to make things shitty for everyone.
I can't give you an answer for your problems; psychologists are only trying to push YOU to find a solution, but like every other profession, some people suck at their jobs. Think about it for a long time. If it's the country you live in, LEAVE. If it's your current job, LEAVE. Just make sure to plan ahead, approximately 3 months. If it's you, then start to change yourself slowly.
Also, there's more constructive ways to kill one's "self," as opposed to physically. Read the entry titled "Ego Death Feels as if Everyone Else is Dead" http://www.ahalmaas.com/glossary/ego-death . If you don't believe in that type of stuff, so be it.