Tamaki = "If not spoiled constantly, he'll die" type.

Kyoya: I don't like this food. But do you think I'd be so inhuman as to complain after you treated me? That's a rude assumption.

1. Your heart starts hurting when you think about him.

Has a world composed of "us" and "not us" been invaded at last?

Haruhi: This is a sibling squabble, not a fight to the death! You're both wrong, and acting like idiots only proves it!

Rule #3 - It's okay to believe yourself better than the rest of the planet, so long as you keep it to yourself.

4. You hear his voice in a crowd more than any other.