Excuse Me, I Don’t Look Like an Igorot?

"Oh, Igorot ka? Bakit ang tangkad mo?" (Oh, You're an Igorot? How come you're tall?) or "Oh, bakit hindi ka mukhang Igorot?"  (Oh, how come you don't look like an Igorot?) These words I hear every now and then from other Filipinos I encounter make me mentally berserk. My blood pressure skyrockets. My vision gets...