The Hadiths contain some whoppers about his sexuality and his cleanliness.
Sahih Bukhari Volume 1, Book 4, Number 229:
Narrated 'Aisha:
I used to wash the traces of Janaba (semen) from the clothes of the Prophet and he used to go for prayers while traces of water were still on it (water spots were still visible).
Volume 1, Book 6, Number 299:
Narrated 'Abdur-Rahman bin Al-Aswad:
(on the authority of his father) 'Aisha said: "Whenever Allah's Apostle wanted to fondle anyone of us during her periods (menses), he used to order her to put on an Izar and start fondling her." 'Aisha added, "None of you could control his sexual desires as the Prophet could."
Volume 1, Book 5, Number 282:
Narrated Anas bin Malik:
The Prophet used to visit all his wives in one night and he had nine wives at that time.