1. Your friend always texts you to complain about their significant other. This is their way of "checking in" with you, but only because they need someone to talk to.
2. Your friend only invites you to events because they need help with setup, photography, or general "event-planning assistance". This is their way of roping you into their social calendar.
3. Your friend always asks for advice, but never takes it. They're just looking for validation and someone to stroke their ego.
4. Your friend only calls you when they need something. This is not a friendship based on mutual support and care, but rather a means for them to access your resources and services.
5. You've been to their house for a "quick dinner" every week for the past month. This is code for "we're just eating takeout on the couch, alone, and I'm not really interested in your company, but it's more convenient than going to my actual friend's place."
A companion piece to this article, exploring the modern nuances of unrequited friendship.