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When 2 people in a relationship mostly stop hanging out with their other friends and only do things together.
Michael: Man I haven't seen my friend Nick in such a long time!
Christine: Why not?
Michael: Well he's in a relationship, and he doesn't hang out with people as much when he is...
Christine: Ahh, he's in lovejail.
by _masterpiece_ August 18, 2011
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