Men know that most women want to have an emotional connection with someone before they sleep with them. Men know that a lot of women think it's romantic to be friends first, and then the friendship blossoms into a relationship. Men know that they have to jump through all these hoops first, before they can get laid. And that's really all romance and courtship is to a man: hoops he has to jump through to get laid.
There are only 24 hours in a day. The average man has to sleep about 8 hours. And work for 8 hours. That leaves 8 hours to run some errands, drive to and from work, eat, and have some spare time. And in that little bit of spare time, a man has to figure out how to get the one thing he likes more than anything else: sex.So when a man has to choose whether or not he will hang out with a female and spend any time, money or attention on her, the question of whether the resources he spent will result in sex plays a very big factor. If your male "friend" chooses to spend his time and money on you, it's because he thinks there is a chance it might pay off in sex at some point. If he hangs out with you instead of with some other female, it's because he thinks you are his best bet to getting sex.The more likely there will be sex, the more willing he is to spend his little bit of free time with you. If he thinks his chances of having sex are higher with a different female, he will spent more time, money and attention on her. That's just common sense, and using his limited resources wisely.
Men feel about sex the way vampires feel about blood. They don't just like it, they crave it. That's why vampire stories always have strong sexual undercurrents. A vampire's hunger is simply a metaphor for a man's lust. And if a guy is paying attention to you, he wants to have sex with you.
I think there's something to the old saying that women use sex to get love, and men use love to get sex. And love is really just a word we use to describe a close bond, or relationship, between two people. Men have been programmed to want sex, so they do whatever is necessary to be in a relationship with a woman. And a woman is programmed to want the stability and (financial) security of a relationship, so she offers the man what he wants: sex.
Men pretend to be “just a friend” at first, even though they want to sleep with you from day one. Otherwise they wouldn't be spending any time, money or attention on you, because these are limited resources and they need these resources to attract a mate. They can't afford to squander them. So they apply these resources to the female that looks to be their best bet to get laid. But they also know that they can't tell the woman on day one that they want to sleep with her, because she'd think it's creepy. So they play along with the illusion that it's “just a friendship” that “suddenly” developed into more, when the woman finally feels inclined to sleep with the guy “because they have a deep connection.” But that was really his goal from day one.
Check the top 1000 books on Amazon. Most of them have a shirtless guy on the cover, because they're smutty "romance novels" (read: porn for women) about a girl being swept off her feet by one (or more) billionaire alpha-males. There are literally tens of thousands of books out there about shirtless billionaire alpha-male vampires who can't wait to mate with you. Lucky you! And women eat that shit up! Men, not so much. Men prefer to watch actual porn.