<input id="indoor" value="indoor" type="radio" name="indoor-outdoor"> indoor</label>
<label for="outdoor">
<input id="outdoor" value="outdoor" type="radio" name="indoor-outdoor"> outdoor</label>
<label for="loving">
<input id="loving" value="loving" type="radio" name="personality"> loving</label>
<label for="lazy">
<input id="lazy" value="lazy" type="radio" name="personality"> lazy</label>
<label for="energetic">
<input id="energetic" value="energetic" type="radio" name="personality"> energetic</label>
Basic HTML and HTML5: Use the value attribute with Radio Buttons and Checkboxes
Having an example of what is not working, either displayed after submitting the code for the test or placing text snippets throughout your code so you know where to look when troubleshooting. I believe (but not 100%) that the FCC Html exercises on the curriculum the changes could be seen immediately, so is also may be helpful to look in the resulting frame to help root out what could be the issue for your cases. This is in addition to the full code as mentioned before by @camperextraordinaire.