Even if the jealousy was supposed to be subtle, Hark still caught it. Caught it and let his ears lower at it. It was a feeling he would never feel comfortable with, certainly when he knew how bad, how horrible some people could get because of it.
So, after Triton finally settled down and Hark resumed his petting, he was quick to try to make small amends.
“If you want… I can show you what I do to take care of my nails. It takes a lot of work, but it’s worth it.”
Before trying to look up at the question, knowing that he couldn’t really move his head or Expy would fall and probably hurt itself, badly.
“And can you do it, please? My communicator doesn’t have a scanning feature and I’m kinda… stuck, you could say.”
Cue awkward chuckle.
“Th-That’d actually be great…! My nails tend to break when I’m working on a harvest so it gets on my nerves sometimes.”
She gave him a bright smile, the earlier jealousy gone and replaced with appreciation.

“Sure, not a problem.”
Rebecca held up her Pokedex to the little Wurmple, tapping the scan feature. It let off a beep when it was done and she looked over the data, giving Hark a bright grin.
“Looks like you’ve got yourself a female Wurmple.”