Do you know someone whose Instagram account is 99% photos of themselves? Do you know someone with multiple accounts, all of which are also largely dominated by pictures of themselves? Congrats! Your friend is an insufferable narcissist. Your likes are making it worse.

Selfie-posting frequency can be predicted by grandiose narcissism, study finds
New research published in Computers in Human Behavior provides new insights into selfie-posting behavior on social networking websites. The findings
psypost.org