"It's very odd," she says as she looks at you, "You do have orgasms with your wife, don't you?"
Yes, you nod, ashamed at your inability to cum with her.
She continues, thoughtfully, "And I can tell you're very turned on, so there must be some psychological key or trigger that your wife uses on you... Do you have any idea what that might be?"
No, you shake your head. You feel very confused.