Dullahans are demi-humans whose heads are separate from their bodies. Naturally, Tetsuo is intrigued by the unique traits of dullahans, but Kyouko is just as interested in learning more about her own body. Tetsuo has the idea to ask the opinion of someone outside of his own background in biology, so he takes Kyouko to meet Souma, an old college buddy.
that you have a reason for being so 
eager to learn about dullahans.
أنّ لديك سببًا وجيهًا لكونك متحمّسًا
.كثيرًا للتّعلّم بشأن الدّولاهان
kann schon die Neugierde im Menschen
wecken. Das versteh ich nur zu gut.
que você tem um motivo para 
querer saber tanto das dullahans.
тебе так хочется изучать дуллаханов.