Hi Pinkie, you sound like a good case for DHEA, its a hormon, but please read up about it first before you try it, as it can have some funny side effects for the odd person OK, now what DHEA will do is boost your testosterone, lift your libido and give your energy a kick, just google DHEA for women and give it a good read, I think you will be amazed at what you see, just start on a low dose to see how you get on with it, and after that you can build it up to what you think is best for you.
Good Luck
If you stop using vibrator for some time, you may get excited by his fore play.You may try to learn your sexually active zone and spots. and ask him to give more attention to these spots.You may even learn self hypnosis imaging that you get full body orgasm with your husband.Stopping the use of vibration is a must. At least try for three months.
This is a case of frigidity. there can be many reasons-physical and mental-. You may consult a doctor and take a treatment.Something might have happened to you in the past which makes you frigid. It is a treatable issue. You may google frigidity and you will find many website. You may do female deer exercise, which is a treatment as well as exercise. You husband can do male deer exercise. I am sure with medical advice and above exercise, your relationship will become happier.