grave mistake

how could i have made such a grace mistake? this may well affect me a whole lot in the near future. why didn't i think it through before? i cannot believe i've done it. what can i do to undo this mistake? who can help me? and who is willing to help me? since when i'm so reckless?
the road not taken? but there is no going back. there is no 'going back' in life. all those 'going back' are just a bunch of self-consoling stances which have no real meaning. for instance, going back to the right path. if you need to 'go back to the right path', it meant that you've taken the wrong path. all that was done in the 'wrong path' was done and there is no force in the world that can reserve those actions. thus, one will just have to bear the burden of regrets throughout life. and when one return to the 'right path', what one do after that is the future. which of course is independent of the past. independent in the sense that the actions taken on the 'right path' will have it's consequences in the next future while the consequences from the past on the 'wrong path' will be inflicted on you still. hence, no matter what one does, there is no going back and nothing is reversible. it's like playing a game of othello, you can momentarily reverse the pieces but the fact is the game had proceed on with more tiles and the circumstances has change as well. there is no going back to the previous state.