C.S. Lewis wrote that "to Love at all is to be vulnerable". He probably did not have love of felines in mind when he wrote this, but the maxim certainly applies to cat lovers.
To love a cat is to live with a predator.
To love a cat is to never have lint free clothes.
To love a cat is to endure sandpaper tongue massages.
To love a cat is to accept that furniture will not be free from claw marks.
To love a cat is to have an automatic alarm clock.
To love a cat is to clean the litter box every day.
To love a cat is to feign delight over gifts of mangled corpses.
To love a cat is to sweep up hairballs that have been saturated in gastric juices.
To love a cat is to collect empty boxes.
To love a cat is to sacrifice coffee money for wet cat food.
To love a cat is to concede control of your life.
To love a cat is to risk an invasion of fleas.
To love a cat is to have a fur coat heating pad on you on broiling summer days.
To love a cat is to want to adopt another cat.
To love a cat is to have your facebook page conquered.
To love a cat is to be loved by someone who does not care how much money you make, who you vote for, how much you weigh, and what your GPA is.
To love a cat is to be unconditionally loved (as long as you keep the litter box clean).