I have a cat and a dog. My cat (in my avatar picture) is 9 and she's been with me through all of my illness. Back before I got ill, I used to live close to my workplace and I'd come home every day for lunch. My cat would love spending that time with me so much that she even started following me to the bathroom. We live in a different place now but she still follows me to the bathroom often, it's become like our tradition now. She seems to know when I'm not feeling well too, on bad days she doesn't let me out of her sight and will follow me everywhere and curls up next to me in bed or on the couch and purrs and keeps an eye on me. She's the perfect IBD pet, she just gets it and quietly comforts me when I need it.
I have a dog too, and she's pretty much the opposite. She's a very smart dog (she's a corgi) but also very goofy and needs a lot of attention. I got her right around the time that I hit remission, so my dog has never seen me flare and I don't really know if she gets it that I have an illness. She's hilarious and makes me laugh often, but she's not as comforting or intuitive as my cat is - she's more of a silly and ocassionally pesty goofball. Yes, I admit it, I'm a cat person. Don't get me wrong, I love my dog, but I prefer cats. (I'm in a mixed marriage of sorts - I'm a cat person and my hubby is a dog person, ha ha.)