I had some serious issues with a coworker a few years ago, he used to shout and swear at me, accuse me of stealing things, he'd change computer passwords so I couldn't do my work, etc. My manager was scared of him so did nothing, and then he moved on. Anyway, my dad used to tell me the same thing, that I am never happy no matter what I do. He also told me that if I couldn't handle this guy then I shouldn't be in the workplace and to go on welfare.
Don't listen to them!
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"Three degrees. It’s too steep for your average billiard table, but not as steep as my driveway." - RB