40's good - but 50+ is even better. You can get away with so much more people just blame it on your age.
Last week I got fed up with waiting in line for the next petrol pump, the furthest away pump was empty being blocked by a car filling up - with me so far - so, I drove round the the other side of the pumps and reversed into the empty space thus avoiding the four cars in the que. I'd seen another 'oldie' do this - brilliant.
My 17 year old son sank down in the front seat and said I cant believe you just did that. !!! Great !!
Oh before you all start - no I dont make a habit of this sort of thing - not yet, anyway.