Can't stay consistent

I don't know what it is with me, but as long as I get the chance to be a working person I can't keep a hold of my torch.

I start questioning myself why am I in such a position if I would've been somewhere else better if not for my wrong or stupid mistakes made out of anger. At this point I changed 2 jobs within 4 months, so 2 months each.

Is it possibly low-esteem? I do try to be a nice human being but sometimes I just explode emotionally as I don't have anyone close to me when I need someone which is making me fall back just to get back on track mentally to make sure I'm on the right path and direction to not screw up my life looking at long term achievements that are hard to obtain...

I had pretty good luck before, but everything came at me unexpected at a young age which is why I'm probably so sensitive and extra careful with my next steps that it seems like I'm not even moving...