I totally hear what you're saying. And you probably miss the passionate kisses, too; I know I would. It's just .... and this is totally my opinion, so take it for what it's worth .... but I don't think it's *good* for him to be able to get what he wants from you when you *aren't* the only one he's being physical with.
If he knows he has to power to overcome your choice to pull away by kissing you into a warm puddle of goo .... do you think that him knowing that will help or harm his respect for you as an individual who can make her own choices/maintain her own boundaries and isn't totally dependent on him?
"Show me a completely smooth operation and I'll show you someone who's covering mistakes. Real boats rock." -- Frank Herbert