On what grounds does the Torah permit marrying an Eishes Y'fas To'ar?
Why does the Torah insert the word "Eishes"?
Rashi: To permit her even if she is married.
What if she is not beautiful?
Ramban (citing the Sifri): Her beauty is irrelevant. 1
Why does the Torah insert the words "Vechashakta bah"?
Ramban (citing the Sifri): To teach us a. that the Heter is based on his desire for her, and that, consequently, she is permitted to him even if she is not beautiful and b. that he is only permitted if he has a desire for her but because he fancies her as a wife.
What are the connotations of "Velakachta l'cha le'Ishah"?
Rashi and Ramban #1: Refer to 21:13:5:2*.
Ramban #2 (citing Kidushin, 21b and Sifri): It means that the first Bi'ah is permitted immediately. 1
Why does the Torah add the word "L'cha"?