The affronted tone with which Aziraphale asks where Furfur got the bullet catch booklet, because it's only available to Working Professional Magicians, is so funny. His worst fears have just been realized, a demon has shown up to arrest his husband, but he can still take a moment to be offended on behalf of his fake profession that important trade secrets have fallen into the wrong hands.
percy is the type of boyfriend who casually puts his hand over the table corner when annabeth bends down from her chair to pick something up, because he doesn’t want her to hit her back on the corner when she comes back up
he’s also the type of boyfriend who puts his hand on her back and steers her if she’s distractedly looking down at something while they’re walking, because he doesn’t want her to walk into something or someone