| Human attraction is a funny thing. It's mysterious to me what attracts a couple together, and what keeps them together through the years. It seems to be a combination of mutual interests, personality compatibility (or lack thereof - some people LIKE to fight with their s/o), pheromones, and attraction to how a person looks.
I find that a balanced person is the most attractive to me. I tend to like guys who take good care of themselves more than guys who slug back a whole pizza and 6-pack of beer and sit on the couch all day, whether or not it has an effect on their weight (some people have crazy metabolisms). I guess, however, that I don't have a "type." I'm the kind of woman who's always met a guy and fallen in love with them, over time, after getting to know them. Usually when I get comfortable with a person, I don't even think about how they're looking, I just want them around me. Of course if I am with someone who I love and they stop taking care of themselves, I get concerned and want to help them change back to better habits, but not because I no longer want to have sex with them. See, when you truly care about and LOVE someone, all of them, not just their looks, you approach it more from a standpoint of wanting them to be around on the planet longer to keep spending time with you. Also, if they were once vibrant, active, and fun, and then become a couch potato, you want that part of their personality (the vibrance) to come back, because that's part of what made you fall in love. My partner and I have both let ourselves go at one point or another over the 5-odd years we've been together. That didn't make us want to stop making love, but it did make us want to become healthier so that it would be more fun and easy to do so.
I don't want to condescend, but love is very different from simple looks attraction. Love makes some allowances for slip-ups because it realizes that people are inherantly flawed. It also allows for both people to be open enough to communicate in a compassionate way so that those bad habits can be corrected and replaced with good ones.  | 
