Jack was angry mostly at his feelings for Ennis, not at Ennis himself. When he said this, after Ennis informed Jack that he couldn't make it until November, Jack wished that his feelings weren't so strong that this absence would surely affect him. I don't think he wanted to get rid of Ennis, whom he would drive fourteen hours straight for every chance he got. In this last scene together, both of them declared the hardships they had to endure to be able to set up a meeting time. Jack had sacrificed a more intimate relationship with Ennis, due to Ennis' fears, and as he felt "something I don't hardly ever get!" Ennis doesn't look for permanent jobs, so that he could be ready whenever Jack had the chance to see him. They both gave up much throughout their lives so that their encounters could manifest. In this scene it is verbalized. Yet, whatever they had done before and would continue to do, to see their way thru this relationship, it wasn't the same as when they were young and more free of responsibility. A time so perfectly depicted by the dozy embrace which Jack receives from Ennis, that finishes this scene, and we see Jack reflecting on this ideal moment of love. The most fitting word to describe how they felt and how they will always feel. :'( :'(
