I usually have way too much - chips, mayo, 4 large glasses of wine 
I'm dieting - I've cut out wine, chips, may, cheese etc etc
But saturday night is friend's birthday - mexiacan restaurant ( chimichangas ?) and I don't want to look like a killjoy but I don't want vat loads of wine & friedn foods
I dont want a hangover the next day so I undo all my good work
is gin and slimline tonic a good idea? pimms? somethign and diet coke?
I was thinking grilled salmon salad for my main
I don't want everyone pointing and going 'she's on a diet' lol
Help !