How do I turn my boyfriend on

Okay, so me and my boyfriend have been datin for like, 9 months.
Andd, I cant ever get him to loosen up with me, like, get him horny and stuff.
How can I turn him on?
I've asked him and he says he really doesn't know.
Do any of you guys know how to...

turn on guys?
Thankss (:

well for one you can jump on top of him and start kissing him. or if your really have the guts to do it make sure you and him are alone and he walks out of the room, get undressed real quick and just be in your bra and underwear so when he walks back in..trust me..he'll be turned on. works on my boyfriend haha

tell him verryyy boldly f*ck me!
and yeah pounce on him it will surely get him in the mood, feel him up a bit

how strange guys always! are up for some naughty
time. but if you want to know how to I think you should pretend
that hes a girl and do things slowly like first like wrap your legs
around him while hes sitting down then kiss him and just caress his back,diggin
your finger tips on his back but not too hard and you kiss him on the neck but where he likes it becuase theres different spots on the neck to kiss then place his hand on your boobs
and let him feel or maybe you just need some massage oil YEAH GIVE your MAN A BACK MASSAGE while your half naked then I guess you can give him a hand job then just give him head and let him tell you how he likes it then later cook him some food. you can get ideas from online,he should be happy

Start kissing him and rubbing your hands on his chest. Tell him that you can't stop thinking about him. Look into his eyes and tell him you want him. If that doesn't rev his engine, I don't know what will!

For some reason, males and their fingers can be one of the most arousing places for them.
If you are standing,sitting, laying by him, take his fingers and while staring at him stick one of his fingers in your mouth. Suck on it as though you were giving him a blowjob. Wiggle your tongue around and what not.
If you are making out; rub your hand over his jeans where the pen*s would be and ask him if it's arousing and if so, continue. Also, find out if he likes it to be rubbed soft or rough. It depends on the guy.
Like one of the other girls said, sit on his lap and kiss him. Allow him to kiss up your neck and while he is moan. It let's them know they are pleasuring you.
Some guys get aroused by gently rubbing a part of the back of their head or neck. I've known a few guy friends to get aroused with spooning. While you are spooning rub your booty into his pants area.
Get naked.
Give him a lap dance and take of your clothes as you do it.

Try different methods. You and him will eventually figure it out.

Lay your head on his chest where you can hear his heart beating. After you listen for a minute or two, tell him "I can hear your heart. I like listening to it." Then ask him it he'd like to hear yours. Hearing my boyfriend's heart or having him listen to mine always makes me horny, and it turns him on as well. Naturally you will progress to experimenting with things you can do to make your hearts beat faster;-)