Oh honey, I’m sorry, it totally sucks to lay it on the line and get either a negative response, or sometimes even worse, just apathy.
There’s a couple of letters I’ve written that you could maybe use, namely ‘Why you should be denying your girlfriend’s orgasms’ and ‘I have to ask you something’.
But most of all you need to properly sit him down and say, ‘Hey, I don’t know if you’re aware but I took a real risk opening up to you the other day about that kink I’m into, and all I got from you was ‘oh’. Can we talk about it some more now, as it’s really important to me and you need to hear that, and I need a real response. Thank you.’
That might lead to you saying ‘Look I’m not explaining this too well, here’s two things to read that we can discuss afterwards…
Or just get him reading this blog while you suck his cock, seriously, he’ll be into it by the time you’re done (us guys are very simple when you get down to it).
Let us know how you get on, good luck brave girl.