Fortunately never cheated despite my husband not being able to keep up with my sex drive, I'm lucky that my friends have stood by me through it all and totally understood when I've been bat**** or angry or strung out.

Worst thing I've done though? Came up with a plan to save the world, did loads of maths and what I called intuitive physics, stayed up for literally days building things with stuff I'd bought off eBay - non functioning motherboards I thought I could fix, electromagnets, sheets of metal. This is all sitting in my garage now, gathering dust. Nearly bankrupted myself doing it, nearly lost my husband doing it, nearly ended up killing myself (not because I was suicidal but because it was the most logical thing to do in my state of mind at the time).