Some guidance for a clueless male

Yup I am a clueless male looking for direction on our sex life. My significant other and I have been together 10 years. Initially we had a sizzling sex life which was amazing. Then after a few years it dwindled and at least for the past 4 or 5 years its been pretty much once a fortnight, sometimes less, occasionally more. I am really struggling with this. She is such a hotty both physically and personality wise that the idea of making out pops into my head quite a bit more than once a fortnight leaving me pretty desperate. I make plenty of attempts including making a massage a bit more erotic than usual, to extra passionate kisses, to gentle romantic kisses and touch to down right suggesting it. I don't seem to cope with it well, although I hide it, inside feel a little dejected and rejected at times... A bit sad internally that the passion is not burning in the bedroom. Outside of the bedroom we are a pretty affectionate couple and I love her dearly and I know she loves me dearly, I can see it in her eyes. I have been doing some reading of books and after reading suggestions here I thought I would bring it up - boy was that a huge mistake. She is a words person so I never seem to get these things across well so that it promotes positive conversation. It has been 3 weeks since the last time so on our way home tonight from a movie date I decided I would bring it up. I said that although I know she loves me I don't feel like she has much desire for me intimately anymore and I was wondering if there is something I am doing, some way she is currently feeling and I was hoping to get to the bottom of it together. To that she went totally silent and eventually burst into tears. She got really aggressive when I tried to calm her and said that basically I am suggesting she doesn't love me anymore. When I tried to explain that that wasn't the case that I wasn't talking about love I was purely talking about intimacy she told me to shut up and stop hurting her. I left it there. What the hell is going on? What do I do now? I really need to work through this but I recon now it will be a while before we make out again.

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