Actually, we did a study comparing girls and boys, but presently we are more focused on eating. We want to understand what has meaning for the boys and what has meaning for the girls. I want to work based on what is meaningful to somebody. It's not a case of using force; we don't want to change people using force. We want to motivate along the lines of what has meaning for you.
We found that what matters to girls is different from what matters to guys. Particularly, a girl is more interested in her physical lappearance, so if you tell her that something is going to make her look look ugly and become unattractive, this, as superficial as it might sound, is the main thing they care about. They don't really care about getting a disease sometime in the future, or the probability of getting diabetes or something; those things don't have meaning.
You just have to find what the main thing is that has meaning for the person. To a guy, for instance, having a disease probably makes a difference--