The problem with this

 <fieldset>
                 <legend>What's your cat's personality?</legend>
                 <label>
                    <input type="checkbox" name="loving" value="loving"> Loving
                </label>
       </fieldset>

Hi there and welcome to the FCC forum. If you have any questions about specific curriculum challenge. Create a topic to the challenge step using Help button. That button appears below the challenge editor when you try to submit the wrong code more than three times. Then copy and paste your editor code in the topic’s area of code.

Hello there!

I have edited your post to include your code. Also, talk to us, tell us where you’re having problems. Don’t just post code.