Zelnick wasn't sure how to explain, especially not with ZEX distracting him-- he needed to stop feeling so nice in Zelnick's arms, immediately-- and so buried his burning face against ZEX's neck, trying to figure out words for his confusion. "It's nothing," he mumbled, then, "feels like I shouldn't be doing this." Except for the part where all those pesky hormones and emotions and other non-logical things were saying that he should, definitely, why the heck had he stopped?