<Is what happens when someone is brought here. Check your forehead, you are one now too!>
[Cosmo's being polite and not reading Pearl's mind right now. Unfortunately, that means he doesn't really get that she was already a Gem before she came here. Connie had called them Pearl and her friends Crystal Gems, but it hasn't really occurred to him yet that she's a world where "Gem" means the same thing that it does here.]
<And Cosmo as well!>> [He opens his mouth slightly and runs his tongue over his teeth, revealing that one of his upper canines has been replaced with a glowing gem of his own.] <Heart Gem is sapient. It will explain your questions in ways that Cosmo cannot - you just have to touch it.>
Re: Pearl | Steven Universe
[Cosmo's being polite and not reading Pearl's mind right now. Unfortunately, that means he doesn't really get that she was already a Gem before she came here. Connie had called them Pearl and her friends Crystal Gems, but it hasn't really occurred to him yet that she's a world where "Gem" means the same thing that it does here.]
<And Cosmo as well!>> [He opens his mouth slightly and runs his tongue over his teeth, revealing that one of his upper canines has been replaced with a glowing gem of his own.] <Heart Gem is sapient. It will explain your questions in ways that Cosmo cannot - you just have to touch it.>