Troy and Helen Have Been Dating for Two Years

Multiple Choice

Troy and Helen have been dating for two years. Although they still have fun at times, they also frequently argue and bicker. If the friction in their relationship gets much stronger, it will exceed the rewards of staying together. When that happens, they will probably split up. This illustrates the __________ theory.

A) complementary needs
B) social exchange
C) gain-loss
D) social comparison