A classic tale of unrequited love...
I've drawn Helene clutching at her necklace many times in the comic. I hope this page makes it clear that's because Cal was the previous owner of the necklace, and its become Helene's keepsake of their relationship. (Though Helene gave it to Cal first, as a gift. It's really complicated.)
Here's a tidbit that isn't as obvious: Helene used to have short hair. She grew it out to match Cal's long hair after their friendship break-up. Very normal behavior, for sure XD
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In case you missed it, HoT's 11th Anniversary image went up last Saturday!