Don't push yourself too hard. You don't need to move ahead so quickly. Do it properly. Do it well. Pace yourself.
A long-standing problem will be solved and everyone will enjoy the triumph. Things will be better for all concerned, especially close friends and family. And now that you have found a solution, it is time to put it into action and begin the next phase of your plan.
Don't apologise for things that you didn't do. They blocked your way; don't apologise. They bumped in to you; don't apologise. They made a mistake; don't apologise for them. Don't cultivate a timid reputation at work.