watching of ****- how it affects human mind? why is it said as an evil?

Depends on your intent when watching it. Some people use it as educational material; others use it as a means to stimulate their libido; still others use it as a voyeuristic tool; there are other ways to use it to affect the mind.

It is usually for perpetuated moral viewpoints that is it perceived as "evil" ... the idea being that everyone should conform and perceive it as people with alleged "high moral standards" view it.

Watching pornography makes the mind callous to the sensitivities of other people. It causes people to believe that behavior that is painful, either physically, mentally or emotionally, is normal. It gives the watcher the idea that such unnatural behavior is not painful or distressful to a sexual partner.

In some cases, it causes the watcher to become so fixated on the perceived perfection of the characters in the film that a regular person is no longer attractive to the watcher. The watcher can become incapable of having sex. They can no longer get an erection.

Pornography also degrades the opposite gender to the one watching it. It often causes the watcher to think less of the opposite gender and treat them as if they are worth nothing. This can deteriorate a marriage and other family relationships.

Anything that destroys human relationships is by its nature, evil.

Perhaps because it can make some people expect more of a woman or a man. For example **** is largely associated with women with big breasts for example. When it comes to the real thing, it is not as expected, it also it takes the idea away of sex being something loving and passionate.

Because stupid @ss Christians, Feminazi's, and other bullsh!t, like that... it offends them. So they use manipulation, propaganda and protesting, to get things they don't like banned, or turn them taboo, that way they can live in there perfect world, full of self-love, and greed. Logical Atheism FTW.

Prediction: Every thumb down will be from a Christian, a girl, or an ******* trying to prove me wrong.

It stimulates sex (kamottejan) in mind and makes body start following mind ,keeping wisdom(budhi) aside,results in man behaving like animal.Sex beyond human limits is enemy (ripu),and hence evil.