Well of course you can like both! I'm definitely much more of a cat person though, I'd have one again in a heartbeat, except it seems my entire family husband, both sons', grand daughter and one son's partner are allergic to them I love cats, I love their slightly snooty ways and the saying that goes with that "dogs have owners, cats have staff", although I do think they can be very loving and that isn't always related to food. I feel a cat is an easier pet, it just takes itself off for a walk.
To be a responsible owner of a dog it requires an ongoing commitment of daily walk/s otherwise the animal is being short changed. I haven't ever owned a dog but have had several in my life through friends. In my childhood a close friend had an Old English Sheepdog and he was wonderful to be around, endlessly patient with us whilst we did annoying things to him, like dress him up in our school berets and blazers and in my grown up years had friends who had a Samoyed who I occasionally had for a week-end or two, again a lovely natured dog, unfortunately was prone to skin infections and often had to wear the cone of shame Since the lockdown and more walking outside there have been occasions when I've eyed up the occasional dog with longing.