Kids and teens age 12-18 should limit their intake to 100 mg per day. The American Academy of Pediatrics recommends that children younger than 12 should not consume caffeine at all.
The answer is D - you are likely to develop some similirities to the people with whom you associate
Measurable goals allow you to judge your progress towards achieving them as well as to know for certain when you have done so. In psychological terms, measurable goals are more motivational than abstract goals