Every week in Grazia, Mary Portas listens to a reader's dilemma and gives her honest, straight-talking take on the situation. Today, it's your turn to help out Grazia reader Louisa. Read her letter and let us know what you'd do in her shoes. Have you ever had a friend who gets out of control? Is there a way to help her without losing the friendship? Or is she not worth Louisa's time?
‘I can't handle my friend when she's drunk'
I made a big group of friends when I moved to London last year to start work. But one of the girls is making life impossible for everyone and I don't know what to do. She's lovely when sober, but completely changes when she drinks – starting fights in clubs and generally getting out of control. She's even slept with one of our exes. I've tried talking to her: she promises to stop drinking and she's great when she does. But then she starts again and we all feel so torn – scared that she'll hit on one of our boyfriends next and fearful that she'll come to harm. What should we do?
Louisa, 23, London
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