Responsa for Yevamot 213:12
ב"ש אומרים בבעל וכו': אמר רבי אושעיא ממאנת למאמרו ואינה ממאנת לזיקתו אמר רב חסדא מאי טעמא דרבי אושעיא מאמר דמדעתה מציא עקרא זיקה דבעל כרחה לא מציא עקרא
Raba stated: The real reason<span class="x" onmousemove="('comment',' V. supra p. 739, n. 1. ');"><sup>31</sup></span> of Beth Shammai is because no man would take the trouble to prepare a meal<span class="x" onmousemove="('comment',' The wedding feast. ');"><sup>35</sup></span> and then spoil it.<span class="x" onmousemove="('comment',' Had mi'un been allowed after a marriage no one would, for this reason, ever marry a minor; and this might lead to immoral consequences. Cf. supra p. 740, n. 2. ');"><sup>36</sup></span> And Beth Hillel?<span class="x" onmousemove="('comment',' v. p. 740, n. 8. ');"><sup>37</sup></span>
Teshuvot Maharam
A. We follow Alfasi (Yeb. 107b) who rules that a minor may sever her dependency upon her levir by "Refusal". In this case we accept the testimony of the aforesaid women regarding her age and condition.
This Responsum is addressed to Rabbi Yakar haLevi.
SOURCES: Cr. 81.