Approximately 75% percent of all the energy released by nutrients is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth. The rest will get stored up as energy. It is important to note that this percentage changes drastically between people.
I would advise her not to lose any weight at all as according to the skin fold test which measures her body mass index she has 22 percent body fat which is in the normal/healthy weight range. Any BMI between 18.5 to 24.9 is considered healthy. If she really wanted to she could lose the 7 pounds as long as she stays within the healthy BMI levels and doesn't drop any lower than 18.5 but she really doesn't need to.
It is True, drunk people usually end up doing something stupid.
The nervous system is what i'd say. Are there any options?