Why is tha my bf who is 40 prefers to watch porn and masturbate better than having sex with me?
he avoid sex with me, it make me feel like he dosen't like me no more.
why he start doing this we are only being together for 9 months.
am 32 and fit.
why?

It's not that he doesn't enjoy sex with you. I think it's more about the fantasy of the sex he's watching. He has you, has probably seen all the things there is to see about you. Men want what they can't have. As far as the other comments on here, I think they're pretty ludicrous but everyone is entitled to their own opinion.

My suggestion would be move on from him and find someone else that is more interested in you than living in some fantasy world they have created for themselves. If he's already doing this within the first 9 months of your relationship, then who's to say where it will progress from there.

Anyway, that's my two cents worth. Hope it helps.

He's probably just lazy. Porn excites males in ways that vanilla sex can't because it triggers a strong urge to ejaculate into the woman who is being fux0red on the screen.

Here's an explanation: if a man were to walk in on his partner cheating or being raped, his first urge would be to sport an immediate erection and then ejaculate into her --- although he might have to defeat the offending male first. The reason is this it increases the chance of any resulting offspring being his. A man's penis is shaped like a mushroom so that it can enter his companion's vagina and literally brush other men's semen out of it. After seeing his partner ejaculated into, he has no time to lose: he must brush the semen out. Further, he will implant his own semen so that he at least has a chance at conception vs. the other guy.

Anyway, porn more or less exploits that scenario, which is what makes it so popular for men.

It might be because he knows how to pleasure himself exactly the way he likes it or porn excites him just that much. You should try either pleasureing him like the pornos do or exactly the way he likes it.

He is lazy. And porn gives him the excitement of many girls without the responsibilities.

As a guy it sounds to me like the porn provides him an outlet for unfulfilled sexual fantasies ! It's easy to become bored with the same sexual activity over and over and it can be difficult to KEEP sex from becoming boring ! The scenes that appeal to ME most in porn are the ones depicting people engaging in activities I don't GET to engage in ! If you TALK to him about what appeals to him in the porn he watches you may be able to get an answer to the "why" you seek !

I am especially turned on to scenes that depict women having sex with MULTIPLE men and my wife KNOWS how much that turns me on ! We've TALKED about it and although she's not yet willing to consider adding other men into our sexual activities she IS willing to "simulate" it for me using her dildo ! It's added a new dimension to our sex together - it turns us BOTH on - and we've had some INTENSE orgasms DUE to the "simulations" ! I'm still hopeful she'll get to a point she is willing to at least TRY a threesome with me and another guy but in the interim it helps to VENT my desires to do one ( at least temporarily ) and it has made our sex together more enjoyable and satisfying for BOTH of us !

Hopefully YOU two can find a solution - it sounds like you are very desireable sexually and YOU have the desire for sex with him - you just need to find out what trips HIS trigger sexually - so you can PULL it for him ! Good luck ...