Take control.

When she reaches her knees, you grab her head and guide your dick into her mouth. You piston your member back and forth into her mouth until you spill your seed which she obediently swallows. You feel badly about your girlfriend, Emily, but it's rather a relief to have finally received a blowjob.

Belinda gets up and says, "Very masterful, Parker. I'm going to go and get cleaned up for dinner. You should do the same." She gives you a quick kiss and walks out of your room.