John Gills Exposition of the Bible Commentary - Deuteronomy 21:14
And it shall be, if thou have no delight in her ;.... Either some time after marriage: then thou shalt let her go whither she will ; by a bill of divorce, as the Targum of Jonathan, who understands it in this sense, and as the connection of the words seems to require; or else before marriage, at the month's end, or any time before, that if his affections cooled towards her, and all the above methods tended to abate his love of her, then he was obliged to dismiss her, or to grant her her... read more
Matthew Henry's Complete Commentary - Deuteronomy 21:10-14
By this law a soldier is allowed to marry his captive if he pleased. For the hardness of their hearts Moses gave them this permission, lest, if they had not had liberty given them to marry such, they should have taken liberty to defile themselves with them, and by such wickedness the camp would have been troubled. The man is supposed to have a wife already, and to take this wife for a secondary wife, as the Jews called them. This indulgence of men's inordinate desires, in which their hearts... read more