In your FAQ you have a broken link to where Jasprose mentions Karkat being in a matespritship with someone on the meteor. They mention Karkat was rude towards his *desired* matesprite, and that it was no way to treat a "lady". And then Jasprose turns the conversation onto Nepeta. They were referring to Karkat's unrequited feelings towards Terezi.
Thanks for pointing out the broken link, I’ll get that fixed asap.
But I was refering the point a few lines later in the convo when Jasprose says