Ikea numbers

• The probability of placing an upside-down board in an Ikea project: 1.
• The probability of two or more people, each assembling the same Ikea piece of furniture, making the same mistake: 1.
• The step you will have to redo: 3.
• The number of times that one's grandfather, a cabinet maker, rolls in his grave: ∞.
• The number of better ways to spend a \vacation day with your wife: 0.