[Machine] In the book, there is a ruling that states when a person sits in seclusion with a woman, if he intends sexual intercourse, then ghusl (major ablution) becomes obligatory.
فِي الْكِتَابِ مَرْفُوعٌ إِذَا جَلَسَ بَيْنَ شُعَبِهَا الْأَرْبَعِ ثُمَّ جَهَدَهَا فَقَدْ وَجَبَ الْغُسْلُ