Problem: Jack is having problems maintaining an erection, and it has been determined that there is no physiological basis for this problem. His partner, Jeff, may be most helpful to him if he: persuades Jack to have intercourse as soon as he begins to have an erection. is able to increase Jack's blood pressure and thus the vascular flow to his penis. can help reduce Jack's anxiety over sexual performance. tells Jack how important it is that they engage in penetrative sex. Need Assignment Help?