By college major...

PSYCHOLOGY
Girl accuses guy of just using her as a substitute for his Mother.

SOCIOLOGY
Each claims to have been oppressed in the relationship.

ARCHAEOLOGY
One tries to bury the past, and accuses the other of trying to dig it up.

THEATER
"OH! Life is... ENDED... as we KNOW it!"

BIOLOGY
"You just wanted to get in my genes!"

PHYSICS
Both resign themselves to the fact that what goes up must come down.

JOURNALISM
"Today was the end of an era. Jack, 19, and Jill, 18, called an end to their relationship of 2 weeks..."

WOMEN'S STUDIES
"HE did it!"

BUSINESS
Both decide that they're spending way too much money together, and that it's simply cheaper to be single.

HISTORY
Each party argues the breakup was caused by something the other party did in the past.

GEOGRAPHY
Both people decide to simply move far away to avoid each other.

ANATOMY
"I never liked your body anyway."

ECONOMICS
One party demands more than the other can supply.