As there are no options to choose from I can only answer this based on statistics and averages. So on average a family will spend around 20% of their income on food to feed their family. It does of course depend on what the income level of the family is but that is the rough estimate for a typical family.
It helps the protection of a body organ let's simplify this a little bit an organ can not just stay in your body fat is a place holder so everything doesnt swish around if you know what i mean. so fat buildes up around organs, tissue, and bones to protect them from harm.
have a good day :)
