shamans
Thinks you can get an STD from flirting.
If this was true why did Muhammed take more wives than Muslims are allowed within the rules of the religion? Why did Muhammed cuckold his adopted son Said, by making him give him his wife? Why did a 60 year old Muhammed take slave women after murdering their husbands and fathers that he would then force to have sex with him? That surely is not fighting his worldly desires of lust from the ideal man according to Islam.
Muslims also believe that despite Muhammed having sexual relationships with so many women that he didn't have a male heir. So they believe he either had a very low sperm count or had an STD that made him infertile. Unless ofcourse they believe the reason for him not having a male heir was due to his sexual fixation on pre-pubscent children. Or there's another possibility, perhaps the leaders of the time didn't want to empower any decendants of Muhammed.
Adopted son "said"? Not only was there no such person but half of these stories you are alluding to are not even part of Islam. They're common myths/Islamophobic stories spread around.