Sable snuggles her squishy human mate carefully, sighing fondly. "Yeah, well, you're both cute and unreasonably pretty. So there."

And no, Alethia won't be alone. Any time she doesn't want to be alone, she has five eager vampires whose highest priority is making her happy. She only has to be alone when she absolutely wants to, otherwise Sable and her headmates will be thrilled to spend time with her.

That look on her face.

They're- dependant on her, aren't they? Yeah.

She intellectually understood that, from their explanation, but right now she feels it.

A lot of responsibility, to have suddenly land on her shoulders. She'll have to do her best to be worthy of it.

No, see, Alethia's the one who just had complicated and unexpected things happen to her. This means that they need to make sure that they're worth the complication. They knew about the risks of unexpected matebonds. Alethia was in no way prepared in advance for Sudden Romantically Attached Vampires, so it's the vampires' job to make the surprise a good one.

If Alethia was hearing those thoughts, they would really just be proving her point. Being tremendously vulnerable to her is a very good way to make her very invested in doing right by you. She'd be apologetic about this, but actually no, she wouldn't be, that's just part of being the kind of person she wants to be.