forbidding people to love each other

[polymath257]

So, even under your definition, why would 'natural' be good?

You complain that homosexuality doesn't serve our instinct to procreate. To me, that is a positive about homosexuality! There are already too many people on Earth. We should be reducing the population through attrition as opposed to adding more to it.

So, in this sense, homosexuality may well serve our instinct for survival.

There are better ways to reduce population (or decrease the birth rate) like birth control. No need to encourage these sexual orientations. 

A word of warning though: All ideologies that endorse ethnic cleansing like nazism and such can use your same rationalization.

In any case, I find the whole argument to be silly. Most people don't choose who they love. They fall in love and decide what to do from there. And there is nothing inherently wrong with men loving men nor of women loving women. And, to go further, there is nothing wrong with people expressing their love for someone via sexuality.

Unfortunately, I am not bisexual, so I am not inclined to share sexuality with anyone who is not female. But that doesn't mean I am against others finding happiness in sex with whoever is willing.

What's silly is to base your argument on what people fall in love with.. you can also fall in love with your neighbor's wife, for instance, are you sure there is nothing wrong with expressing your love to you neighbor's female ? (Y/N)

That depends on her agreement with her husband. Violating a promise to a loved one is immoral. So, if she made a promise to be monogamous, it would be wrong. If she did not, then there would be no issue that I can see. Since my agreement with my wife allows such, it would not be an issue for me either.

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Boinking the neighbors wife may be wrong, but that’s natural by your definition as well, kloro.

If it violates no promises, what is wrong with it?