False Start

Hi. Since no one on earth reads my blog, I thought I'd use it as a journal. My heart is heavy, because I think I've made a wrong turn. I'm suffering the consequences of setting off on a wayward path; experiencing the stress of trying to undo that decision, what with other people being involved, and my future at risk. Fortunately, I've not done any damage, and wasted little time. My fear is that I am again making an emotional decision (as I did to get to this point), and that there will be regrets to go along with this one as well.
Here's how I feel - there is no shame in discovering a mistake, admitting it, and taking action to correct it. But what if I am (again) just recoiling in fear? Is this still part of an endless cycle of false starts, or am I really honing in on something? What is the alternative?
I'm gonna try to be more specific, for the benefit of the viewer.
I met an old friend at a party. Said old friend owns a recording studio. I talked said friend into hiring me to be her engineer. I was ecstatic, and jumped in earnest into the project. Thing is, I said I would be willing to do stuff. Turns out, after doing some of that stuff, I don't like it after all, and it's stressing me out. There may or may not (probably not) be some reward down the road, but I don't know if that's a road I want to be on. 'Tis a hard road, and many others are also on the same road, and most of them are younger. And hungrier.
So here's the question: do I want to work during free time for little money, doing unsatisfying work, with no clear reward at the end, when I already feel like I want to quit? Did I give it enough of a chance? What's next? Alas and alack.