When you have erections with sexual stimulation, how often were your erections hard enough for penetration *

When you attempt intercourse, how often are you able to penetrate (enter) your partner? *

During sexual intercourse, how often are you able to maintain your erection after you had penetrated (entered) your partner? *

During sexual intercourse, how difficult is it to maintain your erection to completion of intercourse? *

How do you rate your confidence that you could get and keep an erection? *