@ExMuslimBlogger
Muhammad married his (adoptive) son's wife after seeing her lightly clad at her home.
Sura Al-Ahzab, 36 Allah forces Zaynab ibn Jahsh to marry Zaid, his adoptive son.
One Verse later:
Sura Al-Ahzab, 37 Allah lets Muhammad marry Zaynab. Status of adoption isn't recognised anymore