That helps to sober him up a little, opening an eye and looking downward. No way he's going to let Yu have all the fun.

"What the hell...you bet it does, but I'm not gunna...mmmm...let you do whatever the hell you want..."

With weak hands, they undo the zipper and he pulls what he can down off of Yu's hips, undergarments with it. It's a struggle to concentrate, the pleasure building from the attention he's getting from Yu, but he gets his own hand right where he wants it- slowly starting to massage his boyfriend's own erection. It freaks him out at first, but determination gets him through the initial shock of touching another dude's penis, as he rubs it gently.