Does a girl's health matter to you at all?

Not everyone tends to gain weight when they eat unhealthy due to the rate of the metabolism. In this case if the girl was still thin but her diet was very off to where she was malnourished and wasn't getting the right vitamins and minerals would that matter to you? Do you prefer when girls eat right vs only eating mcdonalds, drinking soda, and basically lacking fruit, vegetables, and water in their diet? I get that guys like when girls eat a lot but if the food they eat affected their appearance in a way that it looked like she didn't take care of herself would that matter at all?
Does a girl's health matter to you at all?
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