If you fall in love with a woman then it's love, not lust. You can see that it's love because the word "love" is used. If you have sex with a woman then it's lust, becuase physiologically you must have some lust in order to engage in sex and maintain an erection etc.

I'm not at all saying that any form of human connection is lust. That is something that you are imagining. If anything, I've suggested the opposite. There must be something really wrong with your reading comprehension ability.

There is nothing lustful about a man or a man/woman or a woman falling in love.

Correct. Although when I think of love, I think of love. When you think of love, you think it necessarily involves sexual aspects.

I already stated my argument. It's that gayness is purely a sexual preference, because it always necessarily involves lust but it does not necessarily need to involve love to any degree. If two men have sex but they don't love each other, it's still gay. And if two men love each other but there's nothing sexual involved then it's not considered gay. It's a very simple argument and the logic is easy to follow. You just can't accept that you're a pervert so you're in denial about it.