>>>>I know that I'm a hard person to have working under someone, but I am so tired of dealing with the idiocyncrasies of bosses that I just want to quit and count clover in some far-off field. My current "functional" boss - meaning she gives me my work, but someone else has the admin duties - is killing me. I never know what mood she's going to be in when I have to deal with her. Is it the nice, caring one, or the moody, stressed one? Never know. It's like we're dating. And not the cool first third of the relationship, but rather the last "what are you doing here" third. I like what I do, but I swear I have got to find somewhere else to go. Yeah, I know, but I really don't care if they read this or not. What about others? Is it the same everywhere and it's just my problem with authority, or are there really good bosses out there to work for?
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>>>Funny to see this message today. In the morning getting to work I was thinking about crying in UT "Help me please to find a new job". But that's not because of a boss, who is the best possible of bosses, but because of another problem I've been lamenting about for the last couple of months. I feel so depressed sometimes and low, that I have hard time concentrating on work... The pain inside almost killing...
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>>Is this the coworker issue? I'm sorry that is still going on for you.
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>Yes, nothing changed in almost 3 months. I still don't exist.

So you've given the co-worker CONTROL - depressed, low, can't concentrate.
You better take back control as soon as possible - you can't change the Co-worker's handling but you MUST change your own to simply IGNORE the problem and move on (emotionally).