SARAH Carmen, 24, says the Permanent Sexual Arousal Syndrome that she suffers from can cause her to have orgasm at any time of day.
She explained: "Anything can set me off. Even the hairdryers cause funny pulsations through my body.
"As a skin care specialist I have to use tools which vibrate a lot of the time for micro-dermabrasion and they sometimes set me off.
"I find if I'm nervous I'm less likely to get over-excited. So sometimes I try to psyche myself up and worry to control my orgasms.
"Some of my regular customers know my problem. But with new clients it's hard to explain.
"I have been in the middle of a treatment and it's happened and I've had to carry on.
"I was doing a bikini wax and you have to really concentrate and keep your hands very still, and mine go a bit wobbly when I orgasm.
"I had to pretend I had cramp in my foot and just stood there wriggling around on the spot and stifling my moans until it was over."
Sarah's friends think she is the luckiest girl ever, although her family think her behaviour is sometimes slightly odd.
She said: "The best way to describe how I am when I am with my family and I have one of my 'moments' is that I behave like Sheila from Shameless.
"I just get a bid giddy and yelp out and try to control myself. I've never sat down and explained it to my mum and dad, it's just too weird.
"They just think I get a bit hyperactive round them.
"My friends think it's great. I have more orgasms in one day than most of them will probably have in a year. "They say to me that they feel lucky if their boyfriend makes them have one orgasm-some days I have one every ten minutes."
It has proved to be a problem for Sarah in some relationships.
She said: "I dated one guy who was very selfish and he was that way in the bedroom too. He'd just lie back and expect me to please him.
"He just figured that because I could climax without him even having to touch me, he didn't need to do anything to please me.
"I just thought that was rude and inconsiderate. It didn't last very long with him."
She has also had embarrassing moments in public. Going to noisy bars and clubs is out of the question as the vibrations send her wild. "We have to find nice quiet bars," she explained. "I have more orgasms if I have a drink as it relaxes me so I tend to drink very little now.
"It can be a bit embarrassing if I'm tipsy and guys who don't know me talk to me, because I find it harder to hide.
"The most embarrassing thing that has happened was when I answered a market research questionnaire and had an orgasm in front of the researcher.
"She knew what was happening and looked at me like I was a weirdo. I tried to explain that I couldn't help it, but I was blushing so much I had to walk away."
Sarah has even been to a Sex Addicts' Anonymous meeting in despair over her sex drive.
She said: "At first when the problem started I just wanted to have sex all the time, I thought I was a sex addict. "But when I looked around the room and heard the stories other people told, about how desperate they were for sex, I realised I wasn't like them.
"With me, it was a means of releasing my orgasm, but now I know I don't have to have sex to do that."
Sarah has looked into the condition and believes it may have been triggered by her taking anti-depressants.
She said: "I've found studies that say that taking anti-depressants and then stopping has an effect on the sexual organs. That is the only thing that explains what happens to me.
"But I've heard of other girls who have the same problem and it just appears out of the blue. I've spoken to my doctor about it but she wasn't a great deal of help but that's mainly because there's very little known about it and no one yet knows how to cure it."
Thanks to her understanding friends and colleagues, Sarah feels like she can now live with PSAS.
She said: "I'm lucky because people around me are very kind and appreciate that sometimes this is a problem for me and it can be embarrassing.
"I need to concentrate on something sad or worrying when I talk to people and I don't want to get carried away."
During our 40-minute interview, Sarah told us she had five orgasms.
Years of dealing with the problem means that sometimes she can hide it quite well.
Her voice goes high pitched and she will lose her train of thought and have to stop talking completely for a few seconds. She says disguises this by coughing when she is in awkward situations.
"But it's also nice to have so much excitement every day! It's strange because it came from nowhere and I guess it could go away just as quickly, so I'm making the most of it while it lasts!"
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