Lack of Energy, low sexual desire- what can I do? HELP!?

Ok this is the deal, I am 31, moderately healthy, workout 2-3 times a week and I guzzle good and hold all the apt vitamins. I absolutely LOVE my man, we live together and I see him and I want him, literally want him but lately I have a feeling I am always tired! He loves sex and I purely well if I dont enjoy it its ok. I am at a lost in what I should do or whats going on. I enjoy tried those women libidio pills and vitman b-12 for some energy but zilch seems to be working. Am I trying to tricky? I just dont know but I want more LOL!! Any design what I can take, what might serve me?!?!? He plays cool but I know he wants it but he doesnt push me and say he knows I am tired and enjoy to be up early but I dont want that for us! HELP!
Answers:

Girls single please.or should I say females?

Your body is unfolding your something is not right. Before going to different pills you should have a complete physical and homily to your doctor.
Sometimes it's nothing more than work stress, or weather related tireness.

Yaz or Yasmin?

herbally: pocket some Damania, Ginseng, Don Quiq, Wild Yam, Yohimbee Bark.

Just being curiousserious answers please?

Get your thyroid checked.
Talk to your Doctor in the region of your problems.

Why do some women have a problem beside semen?

this is another stress reason! don't feel, react! the more you'll trying,the more you'll be stressed. permit the wave convey you!