DEAR AMY: After our teen years, my brother and I became close. After my mother abruptly left town to be with another man, my brother and I were left to clean up the mess, literally and figuratively. We worked well together. A year or two later he and his family moved far away. I did my best to keep in touch, but with schedule differences it became hard. When we do talk, he keeps any conversation to about five minutes. I noticed that I’m usually the one reaching out. I asked him about this, and he said he would try harder, and that he missed our closeness. But he doesn’t try harder. I have aske…