A "plan vampire" is the friend who loves talking about future outings but drains the energy from actually arranging them. The idea was explained by Emmie Hope-Newitt, who works for a theater-planning website in the UK.
The signs often appear in a group chat. This friend may say, "I'm easy," then reject every suggestion. They may promise to check their schedule and disappear for two days, or suggest a completely different activity just as everyone reaches a decision. Another clue is silence when someone finally asks, "Shall I book it?"
That behavior does not always mean the person is a bad friend. They may truly want to meet but struggle to turn "We should do something" into a date, place, and confirmed plan. The problem grows when one person must keep asking for answers and making every decision.
The fix does not require becoming the group's organizer. It starts with giving one useful answer. If someone asks when you are free, offer a date. If they give two choices, pick one. If an option costs too much, say what price works for you instead of going silent.
It also helps to accept that a plan may not be perfect. Not everyone will always be free, and the first-choice activity may not work. If you are the one saying, "We should meet soon," add a real suggestion. A simple date and activity can be enough to move a plan out of the group chat and into real life.