Psychological research suggests that stable and healthy friendships are crucial for our well-being and longevity. However, in order to form one, we need to see a person in different situations. Only then will we get a better understanding of their character, values, and how they fit our lives.
Interested in the process, Reddit user eCatherineCollective asked everyone on the platform to share their biggest "I really thought I knew them" moments. And people responded — as of now, the post has over 2.8K comments. So to save you some time, we compiled the most memorable ones!