Mirror Mirror On The Door?

This morning I have replaced the broken (courtesy of son No. 2 ,Joe !!!) electric mirror on Mrs B's Peugeot ...It's all working and I am basking in a warm feeling of rare macho satisfaction.... spoiled only by having some oily gunge under a fingernail, which I am finding infuriatingly difficult to remove... I may have to go and lie down in a darkened room!!!!
Oh the trials of a mechanic!!!!!!