Joe lies , steals, is aggressive ; violent and behaves badly around others not to mention that he has trouble concentrating on his studies.
Distress. We know two types of stress, positive (eustress) and negative (distress). Both types of stress have their function and their characteristics. While positive stress is mostly associated with tasks that we find hard to do but very challenging and doable at the same time, distress/negative stress is mostly associated with hard and negative situations which we consider to be extremely hard and negative for us.
There are some numbing gel for your teeth when you first get your braces. When I first got mine I ate ice cream to relieve the pain a bit. Make sure you eat soft foods since it can very much hurt eating hard foods. Gum massages also help a lot ! Hope this helps :D