3. Getting braces
As a kid, getting braces was the cool sign of becoming a teenager. But, we adults look back on that time with terror that we’ll have to do it all over again because we didn’t wear that retainer.
4. Eating microwave meals
As a kid, this meant you were getting delicious chicken nuggets in less than two minutes. As an adult, you realize how unhealthy those things are and how you should be doing so much better than that.