The Couple
Identifying Characteristics:
This two-headed friend never goes anywhere without its "better" half and answers direct questions with "We." Bleh.

Remember that time that you hung out with your gal pal without her boyfriend tagging along? You don't? That's because it NEVER HAPPENED. He's ALWAYS HANGING AROUND. Like a puppy. Or a particularly virulent virus.

Field Study: Melanie's good friend Heidi and her boyfriend David have been together for five years. And that was the last time she and Heidi hung out alone. "She brings him EVERYWHERE," says Melanie. "To our girl's brunches. To dinner. Out shopping. I have no idea why he would want to come to Forever 21 with us. That's just weird."

Read more
after the jump!

Celebrity Couple Example: Heidi and Spencer Pratt; Alex and Simon Van Kempen ("Real Housewives of New York").

Why You Keep the Couple Around:
You knew her before she was in a relationship. Plus, maybe he's not inherently annoying. Still, sometimes it takes expressly telling her that you want to hang out with her solo for The Couple to get it through their thick and completely attached skulls.

Got a Friend Terrorist -- a super-toxic friend -- you want to tell us about? Share your story in the comments or drop us a line! We promise we'll change all identifying characteristics and incriminating details!