For the Dom, learning your abilities and limitations is a constant learning experience. If he is taking things slow, it could be because he is still learning your body. I would head his advise, however, if you want him to push you, dont scream when he spanks/paddles/whips, don't ask to be let out when he puts you into bondage, don't ask him to stop. Don't excersie your safe words. Hold off on asking him to stop as long as you possibly can. Show him your ready for more, dont ask for it.
It could also be he is reminding you he is in control by tempering your request. Moving along with things at his pace, not yours. Again, show your ready, don't ask.
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