High self esteem i believe it makes the most sense
It prevents you from gaining a lot of weight, so you stay healthy and don't get as many health problems.
Assertive people would have all of these attributed except having respect for others - C.
Although even this answer perhaps couldn't be considered true because assertive people can have a positive attitude and respect towards other people it's just that in their case they respect themselves more and have a more positive view of themselves as well.
People with dementia tend to become aggressive and have catastrophic reactions for a number of things, it could be that they simply may not be feeling well or might be feeling rushed or confused. Many times people with dementia may be unable to recognise their own needs, how to achieve them, or to let other people know what it is that they need. This usually causes them to act in ways that others might find challenging, including aggressively.