[Ironically Laural is probably handling all this better then Felicity, but she decides not to mention that. Instead she thinks about other things that Oliver might need to know when talking to the others. For a few days she was the one from the earliest point in their timeline so she knows what it's like when people drop huge future bombs on your head. Like everything Ray's told her or Laural telling her that she's dead ... or Sara being alive.]
She's ... Just tell her the last thing you remember. She's from a lot later in everyone's mutual timeline then we are.
I'll explain everything when we meet. It's better that way.