The Prophet ﷺ was asked about withdrawal during intercourse, or he spoke about it, saying, "There is no harm in your not doing it, for the matter rests with divine decree."
Ahmad 11173
Sahih
حدثنا حسين حدثنا شعبة أنبأنا أنس بن سيرين عن أخيه معبد فذكر نحوه