Service and time served
https://www.goodreads.com/work/quotes/27476753-english-norwegian-joke-book
"A man had been in prison for twenty years. When he left, they gave him his old clothes. In the pocket he found a ticket from a shoe repair shop. Perhaps the shop is still there. Perhaps they still have my old shoes, he thought to himself. So off he went and sure enough it was there. 'I've been on holiday for a long time, I wonder if you have my shoes?' asked the man. The old man went into the back of the shop and came back after two minutes. 'They'll be ready on Thursday.' "