Extremes

It's important to realize that bad experiences are normal. Without them, you wouldn't have any good experiences. If everyday was a good day, life would eventually feel very mundane. At that point, a decent day would feel like a bad day.

It's also not really possible to just suppress negative emotions. If you were to be successful, you'd also end up suppressing your positive emotions.

As long as you're able to overcome devastating lows, you'll certainly be successful in whatever you wish to pursue.