Mirena and self confidence

I'm soooo confused! I have just recently started feeling VERY depressed- when I fisrt got it put in, I was fine, no pms or anything. But I've now had it in for about a year and am thinking about having it taken out. My moods and my self confidence are very up and down. One moment I feel great and the next I want to scream and break things and cry. And I often do. I thought I was going mad, but having read these it all makes sense. I had been taking the pill and it made me depressed, so I got the copper coil put in. That caused me to have terrible periods, that were very painful and when I went to the family planning, the doc said that a mirena coil would be better for me and the hormones would not affect me, since the hormone is localised. But I have had bad acne on my face, chest and back and I had never had acne before. If the hormone is that localised, why is it causing the acne?! I keep thinking, maybe its just me being mental and its not the coil making me depressed. But I think thats just cos I feel a bit desperate- what the hell contraceptive can I use that wont make me depressed(no hormones)?? condoms are just rubbish. O and my sex-drive is currently non-existant and my relationship with my boyfriend is going down the drain due to that and the moods. My sex drive used to be healthy. My breasts have also shrunk but are painful. I luckily havent put on weight. I have really bad period pains, that feel like a 'snapping' feeling. If I ever had period pains before, they never felt that way. Its weird!
I don't know what to do. I will get it taken out-its not a financial concern for me since I live in Scotland. But it is stress to find something to stop getting pregnant!