Long relationship but lacking sex...HELP!

[Untraceable726]

well just an update, i am 90% sure there is no other man in the picture and have come to the conclusion that he just isn't into sexual activity as much as i....i don't know what to do and it only grows more frustrating by the day. i have totally given him the cold shoulder seeing if he would figure it out, i have asked nicely if he wanted to fool around, i teased him and got him aroused and nothing...ugh i really am getting so fed up that i'm getting to the point where i'm in a bad mood all day. and then the funny part or ironic part however you wanna look at it is that he asks me whats wrong, why are you being so grumpy...its like seriously?.....sighs. HELP!!!