Doesn't hurt that Honey is hot and that the fitness/life/food guy really seems to care about the core issues/reasons for the person they're working with.
Best thing, for me, though is the simple reality that, up through the first two episodes, the girls are actually FOLLOWING all the directions by the Queer folk. Unlike the boys, which seem to, more often than not, skip 80% of the directions, which, anal retentive detailed ME hated. :-)