Miroku is much smarter than Inuyasha.
"What do you suppose they are?"
"Who cares?" Inuyasha glowered toward the empty well.
"I don't care!" What did it matter if it kept her away?
"You're late, wench! And what are you smiling aa-"
Inuyasha's universe became two simple questions: Why was she kissing him, and what the hell was he supposed to do with his hands?
Kagome pulled back, beaming, "I got a perfect score on my math test!" Then she snatched her pack and ran off.
"Hm," Miroku pierced the very confusing haze, "perhaps you do not care what a 'test' is..."