Girlfriend dirty talk - help please

I love hearing my girlfriend talk about fucking my friends. I get her to fuck her dildo and beg for my friends name to cum in her or all over her.
I’m really not sure about sharing her but I really do love the thought and when she is fucking her dildo saying one of my friends name it really is amazing and makes me cum in seconds!
Am I alone liking this and how do I ask one of my friends to fuck my girlfriend??
help please!!!