DEAR DEIDRE I had a raunchy ‘fivesome’ with my girlfriend but now I’m left feeling dirty and jealous

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DEAR DEIDRE: I HAD a raunchy night of sex with my girlfriend, her sister and two friends. It was amazing but I can’t even look at her now.

I’m 22 and my girlfriend is 29. Although she is a bit older she is stunning-looking and really fit too.

My girlfriend and I had a 'fivesome' with her sister and two of her friends and now things feel different between us

This particular night my girlfriend’s sister and two of her friends came over for a takeaway. They are all in their mid-twenties and single at the moment but they are all gorgeous.

We had a few glasses of wine and the chat got around to relationships and sex. I was quite taken aback at how open they were being about it all.

I was really turned on just listening to them. I jokingly said I bet they hadn’t had sex with lots of people at the same time and they all said they hadn’t.

One of the friends suggested we give it a go.

My girlfriend is gorgeous and we were in such a good relationship

I thought she was joking at first but she insisted she was up for it. After another couple of drinks I was beginning to warm to the idea and my girlfriend was too.

We all agreed it would be a laugh and before I had really even taken a decision we had all stripped off.

We had an amazing night and all had sex together several times. We did things I have only ever dreamed about doing in the past. I know lots of men would envy me.

Afterwards we all cuddled up together on our bed upstairs and fell asleep.

Now I can't stop thinking about what we did and I just feel dirty and jealous

We all looked a bit embarrassed in the morning but had coffee and made a few uneasy jokes. I’ve felt worse and worse since.

Two weeks have passed and I can’t even look at my girlfriend any more. She makes me feel dirty and I don’t trust her now.

I have been checking her texts and social media, something I’d never have done before.

I have thought about finishing it but we have been together for two years and have been so special to one another.