My days would usually start around 6/8AM and end
somewhere between midnight and 3 AM.
[...]
I Was The Main Problem [...] my overall attitude was
horrible (definitely a topic for another post)
If I made my employees work 21 hour days, I'd expect their attitudes to be horrible too.
I would probably expect the same thing from my employees as well. If I was to blame my bad attitude on the hours, that would be a total cop-out.
I've always had issues with soft-skills; especially in the area of attitude and communication skills. I've done a lot of work in the last couple of years to try and be a better communicator (and hopefully a better human being).