One of the great benefits of working in school is that children are funny, sometimes intentionally sometimes not. Sir Francis Drake circumcised the globe with a 100 foot clipper. Another example is of a fire chief addressing a grade one class. To miss the joy is to miss it all. Follow your mother's advice.
Nature makes the locks and nature has the keys.
You don't need to listen to the dueling diet doctors with their ever-changing formulae for weight loss. So many of us are in pursuit of the lifestyle loophole, and it's amazing what people will do, and how much they'll spend to try and avoid regular exercise and sensible eating. If you want to look good, feel good and manage the daily challenges of teaching, eat well, exercise and move towards higher level wellness. The side effects of this will be that your stressors will seem of less and less significance. When you're feeling stressed the body switches into its 2 million year-old fight or flight reflex.