Gokudera easily released Tsuna hand. He was just trying to get away from their brothers, geeze. "Alright." He turned on the water, letting it heat up as he tried to rinse the cake batter off the bowel... and eat some of it too.
"So?" Riku felt slightly inclined to defend his little brother when he wasn't deliberatly being a jerk. "You do that to me all the time." To pull Riku somewhere, or show him something, or whatever. Actually, now that Riku was thinking about it, they did that kinda often, didn't they?