So something I started doing when drawing the lineart for pages starting with this one is adding a little fat fold on the back of Suarez's neck. I think it's cute.
Compared to the rough sketch I drew Walter leaning into it a little more, dude's totally into it.
One thing I briefly considered was to have Suarez make an observation about Walter's rainbow wristband as a confirmation that he's into dudes and therefore making the assumption that his student is looking at his bulge every class closer to being confirmed before making a move, but I didn't think it was necessary to interrupt the flow of the scene to acknowledge it. I think it also distracts from the emphasis on the fact that Walter doesn't pay attention in class, which as silly as applying storytelling 101 concepts to a lewd comic, is a character flaw I guess?