The information encoded in your DNA determines your unique biological characteristics, such as sex, eye color, age and Social Security number.

Your modern teenager is not about to listen to advice from an old person, defined as a person who remembers when there was no Velcro.

The nicest Father's Day surprise of all for Dad would be if you handed him a box, and he unwrapped it, and there, inside, sitting on a bed of folded tissue, was the pair of his undershorts that somebody threw away six months ago (without asking Dad) because they had reached the stage where they were 3 percent undershorts and 97 percent holes. Dad misses those undershorts. They were his Faithful Undershorts Companion.

The hardest thing about being a guy is that women don't accept that you really are just a simple, pathetic, labrador retriever-like creature. That we live in a world were women actually expect you to think thoughtful thoughts, and have real emotions, which we don't have. Having to try to live up to the imaginary ideal that women have of what men are, instead of just being what you are, which is just a pathetic creature, but still.

A gene can be either dominant or recessive, depending on which type of gene it is.

My wife, like many women, actually LIKES wrapping things. If she gives you a gift that requires batteries, she wraps the batteries separately, which to me is very close to being a symptom of mental illness.

I love the Olympics, because they enable people from all over the world to come together and--regardless of their political or cultural differences--accuse each other of cheating.