I agree. Not everyone is meant to stay in our lives. Some people enter our lives to teach us valuable lessons—showing us the kind of people who bring out the best in us and the kind we should avoid. Sometimes, the people who hurt us end up teaching us the most because they help us recognize red flags we might have ignored before.
Not every friend genuinely wants the best for you. Some people are supportive only when you're doing worse than they are. They smile to your face but secretly see you as competition, downplay your achievements, disappear when you need them, or only reach out when they need something from you. Others constantly gossip, drain your energy, make you question your worth, or celebrate your failures more than your successes. Those kinds of friendships aren't healthy—they're lessons in disguise.
It's often said that we remember painful experiences more vividly than happy ones. As difficult as that is, it can also protect us from repeating the same mistakes. Once you've experienced certain behaviors, you're much more likely to recognize them the next time they appear. Every person we meet leaves us with something to learn, even if they weren't meant to be part of our story forever.