At a certain point in your adult life, you realize you can get a puppy.

You’ve wanted one for years. You’ve spent months pouring over super cute dog blogs stalking for the perfect one to rescue. Then one night it hits you: You don’t need permission. You don’t have to beg and whine to anyone! —unless you’re in a relationship or have a roommate, because then you will still have to plead your case.

If you want a puppy, you can get a puppy! Hell, you’re a responsible adult. There are a million reasons to rescue a dog, most of them beginning with “squee!!” and ending with “awww!”

But remember that you can’t teach an old dog new tricks, and you can’t train a puppy not to need a walk when you’re hung over. Here are the best and worst reasons to rescue a dog.