Hmm, that's an interesting fantasy. It shows that you find the idea of a larger penis intimidating yet arousing. We can certainly work on helping you become more comfortable with this idea and perhaps explore how it relates to your submissive desires. For now, let's continue exploring other aspects of your fantasies as well.

I see you're interested in the idea of being restrained and helpless during your fantasies. This is actually quite common among those who enjoy submission. It allows them to fully surrender themselves to their partner and focus on the pleasure being given rather than maintaining control. How do you imagine yourself feeling in these situations? Scared, excited, aroused?