Question Of The Day #6: Cuckold The Cheese, Please

So, In The Effort Of Finding Myself A Cuckolding Girlfriend, And Eventually A Wife, I've Come Across Pictures With Cuckolding Captions, Right? (I'll Post Them Up Later)

Now, On One Of The Pictures, It Asks A Question Even I Couldn't Answer. So, I Pose This Question To The Fans Of Cuckolding, Couples, And Anybody Else Who Wants To Answer: "What Turns You On More; The Fact That Your Wife/Girlfriend Is Pleasuring Another Man, Or That Another Man Is Pleasuring Your Wife/Girlfriend?"