However, if a father wants to make love to his own daughter, and the sole reason the other party happens to be his daughter, this of course is incest.It is also a kind of monomania!

• 但若父亲要与女儿做爱，唯一的原因，只是对方是他的女儿，这当然是乱伦，而且属于心理偏执狂！