Kyon was only moderatly surprized that he didn't react to Haruhi groping other girls. He was so used to they erratic way she acted. Though, he probably thought Haruhi was some kind of perverted skirt chaser. It wasn't the case, she just had a way of appreciating other womens ascets.

"None of them are my type so long as they keep calling me Jack," he grumbled, "Do I look like a Jack?"