Science says? Who is science? You need to provide evidence and research to make such a claim. Because this claim is false. On the contrary one must preoccupy themselves with other things to remove these thoughts. They must endeavour to get married as soon as possible to unleash their desires.
It is forbidden to view pornography, you won’t lose your libido don’t worry, it will be put hold.
How do we maintain a good sex life? Through marriage, permanent or temporary.