Dear Abbie Clueless: Dear Abbie, I don't know what to do about my husband. We have been married for more than 40 years. He's cheated on me many times and doesn't even try to hide it. He's been unemployed for 14 years, hasn't found another job, and wastes his time with his friends daily. Ever since our daughter went away to college, he doesn't even pretend to like me. He even hinted that I was a lesbian! I don't know what to do. Please help. - Clueless Dear Abbie: Dear Clueless, Dump your worthle…