Everyone gets them. They grow in their hair and sprout from cracks in the sidewalk when they step, changing in association with their emotions in any given moment. Lessons on flower language are in the curriculum at schools, to help people differentiate their emotions and promote communication among others.
Impulse gets flowers when he's around Skizz. They're daffodils and they're pink roses and they're blue roses.
Skizz gets flowers when he's around Impulse. But they're not those types of flowers; they're daisies, yellow and blue, and they're alstroemerias and sunflowers. Not the flowers associated with "romance" in any way.
The two of them grew up in a little town not too big on flower language; they never knew what the flowers they grew around each other meant. And they didn't particularly care.
...That is, until they moved to a big city for college, and made friends with the kind of people who did grow up around flower language, who do know the meanings behind the flowers the two grow for each other.
No one ever says anything to them until, in their second year of college, and the second year of the two being roommates, Skizz starts getting little daffodils in the mix.
(Just to make this a bit easier for everyone: the meanings I'm sourcing from this are daffodils (in impulse's case) for unrequited love, blue roses also for unrequited love, and pink roses for quote "admiration, happiness, and love". for skizz, we've got yellow daisies for joy, optimism, and friendship, blue daisies for long-term loyalty and trust, alstroemerias for friendship and strength, sunflowers for loyalty and happiness, and daffodils for new love/new beginnings. i wanted to go a bit further/add more flowers for both of them but im tired)
In their small town, everybody had their own story about what flowers must mean. The phenomenon had only recently began proper research, with brain scans now possible. Even then, it's still difficult. So, not much news spread to their little home.
And then their friends in the city kinda assumed they already knew. After all, Impulse is pretty obviously a cry for help.
So imagine their surprise when Skizz starts growing daffodils too and instead of rejoicing about reciprocated love, they're just excited they match now.
Yeah. It's probably time to stage an intervention.