Want to find long-term love? Then you're attracted to men who want to be fathers, according to a recent study of college students published in a British scientific journal. More interestingly, you can subconsciously tell which guys fall into that category just by looking at their faces. But if you're in search of a great mate, you can't let your subconscious do all the work — you need to involve your conscious mind too. So what's the single most important characteristic a woman should look for in a spouse? Read what the Love Council, our panel of experts, had to say about it -- then tell us what you think below!