I am not really sure if milk will decrease your buzz. I think eating and drinking in general will decrease your high. The reason for milk, cream or butter is they contain fat or oil that combine with the resin. After the cooking process the milk, cream or butter (or oil) can be squeezed and will retain the resin from the weed. Then you can use ordinary recipes to make chronic medibles.

I have been very successful making butter and oil but the cream tasted awful. I have been hesitant to try again. I have made candy in the mean time and that turned out excellent.