The energy gave to the body by food is calories
When a child is little, they must have a ton of interaction with other people. Children repeat things they hear when they're little, and with the caregiver not communicating with the child, they don't have a chance to engage the brain through words. With the caretaker not using the child's name, the babe might not respond when people call their name, which is not good. With no walking or crawling, the baby will have a hard time learning as it isn't practicing when it counts the most.
Answer: Despite his hatred towards his parents, I would definitely suggest to John that it would be probably a good idea to take some time out of your day and talk to his parents, let them know how he truly feels. Why? Because if he does, maybe his parents will realize the bad things they have done to make John feel the way he feels, and change the way they act.
Another suggestion that I would provide John would be to stay calm, and avoid anything negative. Why? If he does this, over-time, his depression would get better, instead of the negative things in his life making it worse.
Lastly, another suggestion I would provide John includes medical attention. Depression can’t be cured just with avoiding problems. You need to take medicine as well. So, what I would suggest is for John to go see a doctor who is familiar with depression, anxiety, and all that Jazz, so that the doctor can provide John a few medicines he should take daily.
It usually depends on if the person actively stays hydrated. The recommended amount to drink is around 8 ounces, so depending on the size of the water bottle, it could vary.