Blasphemy, but I don't really listen to music and I don't know much about the cats like Van Halen, but I did catch one of his interviews and he mentioned something interesting. He went on to say that while his band mates were up all night carousing, he would stay alone in his hotel room with his guitar and a tape recorder. He would literally noodle for hours on end and then develop his technique and riffs around the cool nuggets he'd capture on tape.
Very cool - I like the lick just before the 2:00 mark and the 2:39 mark. You should keep those and expand on them.