question #1 Sahih Muslim 321b, Book 3, Hadith 52 : What does this narration teach about the permissibility of sharing water for bathing between spouses in Islam?

Hafsa, daughter of ‘Abd al-Rahman b. Abu Bakr, reported that ‘A’isha narrated to her that she and the Messenger of Allah (ﷺ) took a bath from the same vessel which contained water equal to three Mudds or thereabout.