Kirishima might not be first in the class but he's way smarter than to take Bakugou at his word about exactly what he's ready for during his next heat.

[“I just—“ Zuko begins, cuts himself off, opens his mouth to try again. Nothing comes out, and Sokka gives him a full-body squeeze to encourage him. “Maybe next time, you could, uh…” “Yes?” Rushing him does nothing but make him shut down, Sokka’s learned the hard way. Patience isn’t something that comes naturally, but it’s something that he’s learning, just like Zuko’s slowly learning to communicate. “Maybe next time, I want you to, uh, hold me down.”] Or, Zuko learns to use his words.

They call Ghost a tease for never posting videos or pictures with him fucking more than his hand; some even offer to buy him a fleshlight, just so they can get the chance to watch his cock in action. None of them know the truth. Ghost's cock doesn't belong to him. Not when he can't use it properly.