It's good to be there for your partner.
John and his girlfriend have a school test coming up in a subject that John is much better at than his girlfriend.
John wants to be prepared for the test.
John spends part of his time studying for the test but also spends some time tutoring his girlfriend.
John spends his time studying for the test and leaves his girlfriend to fend for herself.
John's girlfriend get's a good grade on the test and passes the class.
John's girlfriend fails the test and receives a low grade for the class.