How do you know if your wife is dead?
Sex is the same, but the dishes keep piling up.
How did the Java programmer's son get rich?
Because of inheritance.
How does a mathematician get tan?
sin/cos.
How do you count cows? -- With a cowculator.
How many animals can jump higher than a skyscraper? -- All of them, skyscrapers can't jump.
"How is your long distance relationship going?" -- "So far, so good."