Complex sentence: A man who is overly aroused by pornographic material who utilizes reaction formation to take on an attitude of criticism toward the topic may sacrifice many of the positive things in his life including family relationships by traveling around the country to anti-pornography rallies.
Split into simpler sentences: A man who is overly aroused by pornographic material who utilizes reaction formation may take on an attitude of criticism toward the topic. He may end up sacrificing many of the positive things in his life, including family relationships, by traveling around the country to anti-pornography rallies.