House-sitting is a great way to get away from home, relax, water a few plants, and scare off burglars who are frightened by lights turning on and off without a pattern.

Cat-sitting is an entirely different matter.

Most cats do all right if you leave them alone for a day or two – even a three-day weekend. Just set out extra food and water and maybe an extra litterbox (depending on how many cats you have). They’ll be fine. They’ll snub you when you get back, but they’ll be fine.

When you’ve got a special-needs cat, or your trip is longer, it’s a different story.

My friends were off to DisneyWorld for a ten-day stay and one of their cats is an insulin-dependent diabetic. I volunteered to sit house and cat. It was a house in a quiet country setting by a stream and the cats were pretty chill, even the diabetic one. Give him treats, I was told, and you can stick him easily. There were four of the critters, but I’ve had as many as five (I love cats), so I left our two in the tender care of my husband and headed for the north woods.

When I arrived, the cats assembled to sniff and greet me and I quickly discovered that they, having been described to me as “large,” were in fact small, medium, large and HUGE. (The small cat had somehow given birth to the other three, a feat I did not envy her in the least.)

P.J., my soon-to-be patient, flopped on his side and demanded a belly-rub. He was the large cat, easily 15 pounds. Maybe more. He was wearing a jaunty purple collar so I could tell him from his brother Red, the HUGE cat (upwards of 20 pounds, I would estimate). Both of them were orange tabbies and only a few pounds separated their heft.

The trial injection went well. I had experience giving cats subcutaneous fluids, which was one reason I was tapped for the job (the other being that I could do my work on the family’s computer instead of my own). Pinch up a fold of skin between the shoulder blades, stick the needle in, squirt, and voilà!

There was a packet of needles on the counter, a bottle of insulin in the fridge, and a handy sharps container for the used needles. Two water dishes and two food dishes, a huge plastic bin of dry cat food, four litter boxes, and several bags of treats stashed in the cabinet completed my cat-sitting kit.

For the most part, the cats ignored me. That was okay. Most cat owners are used to being ignored by their cats. On occasion, Red would accept an invitation to curl up on a blanket beside me on the sofa and allow me to stroke him, or demand treats. P.J. would do his belly-exhibiting routine on the dining room table, and Mama Cat and Vaughn (small and medium) wouldn’t give me the time of day.

Then one day, when I checked P.J.’s litter box (he had his own; he was the only cat in the household who would use the granules with an absorbent pad underneath them), I found a circle of pink around the yellow. Blood! I thought. I had instructions on what to do if the big boy looked lethargic and zoned out (rub corn syrup on his gums), but nothing had prepared me for this. Except when one of my own cats had a blocked urethra, which required surgery.

The vet’s number was on the refrigerator and on my list of instructions. But it was the weekend. I didn’t know if the vet’s office was open, or what the charge was for emergency visits, or where the cat carrier was, or whether I could get P.J. in it, or whether I could even pick up and carry the awkward thing with my bad back. (It was hard enough picking up Red when he wanted to be on the sofa but couldn’t be bothered to jump.)

Well, you all know what the next thing I had to do was: text DisneyWorld, or at least my friends there. They got back to me remarkably quickly (must have been waiting in a line). They discouraged me from running off to the vets and advised I just keep an eye on things, i.e., the pee-pad, and see whether P.J. pee-peed pink again. Or red. (Not Red.) Or some other color.

Two hours later I checked the pee-pad. Nothing. Not yellow, not pink. Nothing.

I had lunch. I checked the pee-pad. Nothing.

I did some work. I checked the pee-pad. Nothing.

I took a bath. I checked the pee-pad. Nothing.

By this time I was biting my nails. The next symptom of a blocked urethra is an inability to pee at all.

I checked the pee-pad. Nothing. I went to bed.

The first thing I did when I got up (after peeing) was check the pee-pad. There was pee and all was clear (or at least yellow).

Then P.J. flopped down on the dining room table and grinned at me.

Sometimes I hate cats.