If you do ask, you might get it. Those are good enough odds in my book. Even if you can't do this in real life, use this as an opportunity to stretch your comfort zones and loosen your inhibitions. You have to be able to respect yourself in the morning. The goal of pornography is a release of sexual energy or climax.
Eroticism is all about the enlivening or awakening of the senses.
It's goal is stimulation or arousal of the energy. Eroticism and pornography each have their own language, style and mood. Remembering how different they are, decide which mode you want to be in at any given moment. I am wet with longing for your tongue. Your choice of words sets the tone and the mood.