According to a new study published in the journal PLoS, we’re a little too generous when counting our friends. In fact, only half of the people we consider as friends actually feel the same way. The researchers surveyed 84 college students asking them to rate other students from one to five, and results showed that just 53% of relationships were reciprocal as compared to the expected 94% that many students guessed. While the study’s sample size may be small—and keep in mind that these kids are all college undergrads—the findings might be our collective nightmare come true. Head to Science of Us to learn more.