Ever since I started dating I loved cumming in a girls mouth. It was my first fetish. But very rarely they would swallow. My first two gf's were very reluctant to get my cum in their mouths.

What I discovered later is because of my behaviour. I learned that the worst thing you can do is to ask them: "can I cum in your mouth?". Insted you need to tell them that you are going to do it. I've been doing it for some time with random hookups and it works perfectly. What is crucial before cumming in their mouth is to fuck them pretty good. That's where magic happens and you can take control of what you want to do. Imagine a scene where you fuck them so good their mouth is open with pleasure. Can you imagine them protesting you shooting your hot load deep in their troath? I don't think so...