Jamal is trying to buy something over the phone. He asks his partner to read him his credit card number. However, when he tries to repeat it to the salesclerk on the other end of the line, he can't remember all the numbers. Jamal is coming up against .

Read the following: (1) liz has become more responsive to her partner's advances since a really beautiful woman moved in next door; (2) unable to accept his desire for other young men, 15-year-old juan immerses himself into his studies; (3) shauntel tells people that her coworker mary dislikes her; though if she were honest, shauntel would realize that it is actually she who dislikes mary; (4) "ben's nasty; he's disgusting," says renee; but renee secretly finds ben attractive. describe the defense mechanism he or she is using.