Moses, the author of Genesis, tells us that Adam was with Eve the entire time she was being tempted. Yet he said and did nothing. That means that he was just as involved in the fall into sin as his wife was.
Music Credit: J. S. Bach, “Wir eilen mit schwachen, doch emsigen Schritten,” aria from “Jesu, der du meine Seele,” BWV 78 (Leipzig, 1724).