I think there is more here to examine than just learning to let go of those past experiences. I think before we completely let go, that we can learn much from our experiences. Many times the learning happens as we are living the experience. Some of the learning comes as we look back, too. The important part in looking back is that we don't stay there... we look, we learn, and then we move on.
The situation I shared was a difficult work situation that I experienced several years ago -- long hours, much stress, co-workers that lost their jobs. As I walked that road and as I strive to put it behind and not let it control how I react to work situations today, here are a few of the good things that have come of it all:
1) I am learning to let go of those situations where I have no control -- fully knowing that God can handle it for me.
2) I am learning to respond as God would want me to even when the situation feels anything but right or easy or fair.
3) I am learning that just because I don't understand God's plan doesn't mean that it isn't the "right plan". I may not understand, but it will always be better than my plan.
All of this has really been put to the test these last few days. I've been told I should work more hours and found that there are "perceptions" about how I do my job that were not necessarily positive. Long story about why this perception is out there, but I am secure in the knowledge that I have done the right thing. And, after several days of praying, I am secure in the knowledge that God will see me thru this. It may be tiring and it may be frustrating, but God will be with me each and every step of the way.