The most valuable lessons in our lives are those that we learn the hard way.
It's always easier to be more careful while around the flaming fire when you know that it might burn you if you aren't careful enough.
Of course, we all make mistakes from time to time - it's a normal thing. As adults, we should be ready to care for the consequences. Some of them may be reparable, but others could even leave some chilling experiences in our thoughts.
See the gallery that counts 26 different experiences that could teach us an important lesson: spare yourself from doing these things.