He speaks 3 languages. Korean, English, and a little Chinese (he grew up partly in Hong Kong) and he currently is a PhD student in Economics at Harvard. I don’t know, my family is freaking amazing.
I once spent a summer in Portugal, and they told me that the Japanese word for thank you is derived from Portuguese, way back when Portugal used to trade with Japan. Arigato from Obrigado. I don’t know if that’s true, but if it is, was there no word for thank you in Japanese before this? Weird.