If you are attracted to married men only, you might prefer a man who is mature and rich in his experiences. You might also feel flattered when a married man is interested in you. It boosts your self-confidence. It may also be a possibility that you are commitment-phobic and want a relationship with no attachment whatsoever. But the biggest reason you always end up in an affair with married men is that you feel empathetic towards the sad lies those men tell about their unhappy marriage. An affair with a married man can provide you with temporary shelter from these problems. But in the long run, you need to address these issues for a more meaningful life.