"எல்லாம் நன்மைக்கே "
is a Tamil term which when directly translated would read as "Everything happens for good".
Past is past, only thing that can be fixed is the future so just assume and believe it happened for good and look at the future with hope! Oops I am out of my mind, trying to sound very philosophical today. I will stop with this or it would be an advice over load. LOL