history: I got upset at my oldest son because he shows such lack of motivation.  While gettting on him might have been warranted, I feel bad for getting upset. I got upset at my oldest son's lack of motivation.  I feel bad that I got angry with him though.
current: Maybe you just have to find a way to get him motivated, without showing anger.
next: True.  I just haven't found a way to yet.  Need to be more creative.