Oh I do wish I could have varnished nails!! For years I bit my nails and when I finally kicked the habit I started wearing lovely colours on my nails.
I didn't connect the rash on my neck with the nail varnish - why would you? I had to have a special cream prescribed by the doctor to use when it flared up, and it was attributed to stress, and all sorts of other possible factors.
It was only when I woke up one morning, having fallen asleep with my hand tucked under my neck, and saw four perfectly formed bright red nail shapes on my neck that at last I realised.
So no nail varnish for me - sob, sob.