This has been so useful; I've just joined the forums and I'm having the same problem.
My boyfriend and I have been together for a year and a half and sex is amazing and he seems to be into a bit of kink; but its not enough for me. He's not at all shy, but I am and I feel like if I went into it too much it'd freak him out that I was being so bold, as it's really out of character.
Things in our relationship are a bit less vanilla; when we get into any fooling around he gets me say I'm a 'naughty slut' or something like that, but when I said about handcuffs when we were talking he changed the topic, and he's never researched anything at all BDSM as far as I can tell, but I never know with him, he always surprises me with things, and sometimes he'll be really kinky and other times totally vanilla
I love him so much though, and he's amazing to me; just thought I'd put in my experience though hehe
Ohhh... and Slutsie hope things work out for you, sounds like things are going good, gives me hopeand nice to see another Brit here!