AH, sweet! Well, all I can tell you already is to "hang in there", when you begin reading it! Depending on the format you have it in, you may have to chew through, or skip over mammoth amounts of thanks and greetings and all that. But even after that you will likely get a summary of the Mahabharat, the epic family feud that precedes the setting of the Bhagavad Gita. Then, after that, the actual setting gets explained and the conversation begins between Arjuna and Krishna, which really is exclusively questions and answers, of course.
Now, if you have a version with commentary underneath, beware of it, or rather ignore it! I find that the nature of the beautiful conversation is tailored to be understood by the reader only, who will try to make sense of it based on their background. Thus, ordinarily commentaries come most likely from scholars or devotes of sorts. They tend to justify their own perspective and may not really understand what you should for yourself!
Example: Krishna would say something on how Arjuna best views a certain problem and provides a perspective. A commentary then would speak of various ways of worship or the likes, which has nothing to do with what Krishna talks about. They'd mention aspects out of their world, their belief, which would reflect the theme and so on... just distracting.
In short: Ignore the commentary, if there is some!
If you find something you wonder about, maybe share it here and we can wonder about it together?! We could make a thread for that!
As for hopes, dreams and other resignations, hahaha, I do think there is an ideal system and we're tumbling through it as we speak. The system is permeating the bullshit phase we're currently experiencing, nothing but a station on the big cycle that apparently has to have us experience weaknesses and strengths and all the degrees in between them. Yet, it's not like we can sit back and enjoy or suffer through the show. That which we realize as important for us to do, that which we do, this is the force the drives us onward through the cycle, from the bad times to the good times and- unfortunately- also from good to bad times and so on... to stay truly awake through all these periods is probably impossible, hahaha, but- I would assume- by design. It's a spiral, after all, which moves forward as a whole, toward some end we may only know when we've arrived. It's also likely that that's not measurable by time, haha, because the arrival will be just yet another beginning of a much, much larger cycle.
What we learn from all this is probably mostly that we have to trust in our practical sense of purpose as our heart suggests to and carries it for us. We all exist, because it had to be so, because it was in the nature of existence to have us in our places. Our great challenge is actually recovering the easiest solution by freeing our hearts from the wrong ideas that have tried and still try to manipulate us away from it. The first step is to find out the pure, untainted truth within us. Not the corrupted desires, nor the dreams of escape. Not that which fixes the mess or supplement happiness. The truth within us spoke through us even before we could speak and it wanted us to learn how it can best apply itself to the needs of the world around us by way of love we can feel. If something makes you do something against your will and you can feel your sense of love suffering, then it's not your truth. Sometimes the things we love doing require activities that are unpleasant or annoying in some way, but we still do them because we know it takes us to the action we do love. A teacher, for example, whose true calling was to be a teacher, has to deal with all kinds of children, including some that are really hard to deal with and they may well be terribly annoying and even bring plenty of heart ache. Yet, getting through to them and delivering the teachings would be a labor of love.
However, somebody who accepted some arbitrary job to just survive and do something they really dislike, they violate their universal practicality. They literally waste their privilege to exist against any actual benefit and suffer for no other reason than to learn for future lifetimes, hahaha. But seriously, it's never too late to search out who you really are, what really is in your heart, even if it takes some guidance to get to the right path, I imagine.
My main markers there are simply:
#1 - It has to serve others!
#2 - You have to feel that you want to do it!
#3 - You do it, even if you know it's very challenging, but not because it is that!
If those main markers are checked, I think, the right track may have revealed itself.