That's what we're all trying to figure out, I think.

How much or how little can we live with.

It's up to the person I guess. Keeping in mind that your H is not a robot whom you can keep programming to do "more and more" if you still don't feel fulfilled. He's a human being with his own set of needs.

I will tell you what my Call It Good state is: We both agreed to a certain frequency. He makes this happen because it's important to me and he loves me.

Now, my Call It Great state would be: the above, plus a healthy amount of desire and lust from him.

I don't know that I will ever get to the Great state, but the other things are so good with him that, in weighing all the factors, I have decided (gulp) that this is as good as it gets, and it's pretty good.
If I could only stop wishing and hoping for the Great State, I'd be a lot happier person.

So what I'm trying to say is: If you have it in you to accept his offerings with love and acceptance, DO IT. If you don't, then the process by which you will hammer out what is acceptable will begin.

Make sure that you are meeting his needs to the best of your ability, be able to spell out your needs clearly (ie, I want sex two times per week, as opposed to I want more intimacy, etc), and be ready to lovingly deal with excuses.

I'm sure there's more but I have a baby clinging to me so I gotta run!