I have never heard of whole30, but after googling it I see that it's paleo. Yes, that's exactly how I eat, except I also exclude nuts. The only sugar and dairy I consume is in my morning coffee. I limit that to about 4 tsp per day tops. Sometimes I skip it altogether.
LDT I don't count calories either, and I don't get hungry like I did when I ate grains, and I never feel bloated.