Parashas Metzora · Passuk 15:31
Chabad.org — English translation + Rashi
Torah Temima points to Toras Kohanim.
English: “And you shall separate …” — it was taught: If he was intimate with a pure woman and she said to him “I have become impure,” from where [do we know] that he should not withdraw immediately? Scripture teaches “And you shall separate the children of Israel from their impurity.”
Non-abrupt withdrawal
Chazal again require careful, non-sudden withdrawal when impurity becomes known during relations — a theme already seen at 15:24.