I guess I was trying to say that changing a person's comportment is more helpful in meeting a good person. There are no guarantees and that is part of the beauty of love. How can anyone know how it all will turn out? No one can.
I guess if by comportment, you mean changing the outward demeanor of the person, then you're right.
Though, I think that something like that could also be taken too far, misleading the object of your affections, which isn't a great way to start off a relationship.